| Code Value |
Definition |
| 1A | ANVIK VILLAGE, ALASKA |
| 1B | BEAVER VILLAGE, ALASKA |
| 1C | CLOVERDALE RANCHERIA OF POMO INDIANS OF CALIFORNIA |
| 1D | ORUTSARARMUIT NATIVE VILLAGE (OR BETHEL), ALASKA |
| 1E | NATIVE VILLAGE OF EEK, ALASKA |
| 1F | PRIBILOF ISLANDS ALEUT COMMUNITIES OF ST. PAUL AND ST. GEORGE ISLANDS, ALASKA |
| 1G | GREENVILLE RANCHERIA (ALSO KNOWN AS THE GREENVILLE RANCHERIA OF MAIDU INDIANS OF CALIFORNIA) |
| 1H | NATIVE VILLAGE OF HOOPER BAY, ALASKA |
| 1K | KLAWOCK COOPERATIVE ASSOCIATION, ALASKA |
| 1L | LA JOLLA BAND OF LUISENO INDIANS, CALIFORNIA |
| 1M | MENTASTA TRADITIONAL COUNCIL, ALASKA |
| 1N | NATIVE VILLAGE OF NUIQSUT (OR NOOIKSUT), ALASKA |
| 1P | NATIVE VILLAGE OF PILOT POINT, ALASKA |
| 1Q | VILLAGE OF KOTLIK, ALASKA |
| 1R | PALA BAND OF LUISENO MISSION INDIANS OF THE PALA RESERVATION, CALIFORNIA |
| 1S | SUSANVILLE INDIAN RANCHERIA, CALIFORNIA |
| 1T | NATIVE VILLAGE OF TELLER, ALASKA |
| 1X | CIRCLE NATIVE COMMUNITY, ALASKA |
| 1Z | NATIVE VILLAGE OF KOYUK, ALASKA |
| 2A | AGUA CALIENTE BAND OF CAHUILLA INDIANS OF THE AGUA CALIENTE INDIAN RESERVATION, CALIFORNIA |
| 2B | BIRCH CREEK TRIBE, ALASKA |
| 2C | COLD SPRINGS RANCHERIA OF MONO INDIANS OF CALIFORNIA |
| 2D | OSCARVILLE TRADITIONAL VILLAGE, ALASKA |
| 2E | NATIVE VILLAGE OF EKUK, ALASKA |
| 2F | FEDERATED INDIANS OF GRATON RANCHERIA, CALIFORNIA |
| 2H | HO-CHUNK NATION OF WISCONSIN |
| 2J | SHAGELUK NATIVE VILLAGE, ALASKA |
| 2K | KNIK TRIBE, ALASKA |
| 2N | NATIVE VILLAGE OF NUNAM IQUA (ALSO KNOWN AS THE NATIVE VILLAGE OF SHELDON'S POINT), ALASKA |
| 2P | NATIVE VILLAGE OF PITKA'S POINT, ALASKA |
| 2Q | VILLAGE OF OHOGAMIUT, ALASKA |
| 2R | RAMONA BAND OF CAHUILLA, CALIFORNIA |
| 2S | SYCUAN BAND OF THE KUMEYAAY NATION TABLE MOUNTAIN RANCHERIA OF CALIFORNIA |
| 2T | NATIVE VILLAGE OF TETLIN, ALASKA |
| 2X | CRAIG TRIBAL ASSOCIATION (ALSO KNOWN AS THE CRAIG COMMUNITY ASSOCIATION), ALASKA |
| 2Z | NATIVE VILLAGE OF KWIGILLINGOK, ALASKA |
| 3A | ASA'CARSARMIUT TRIBE, ALASKA |
| 3B | NATIVE VILLAGE OF BARROW INUPIAT TRADITIONAL GOVERNMENT, |
| 3D | DEATH VALLEY TIMBI-SHA SHOSHONE TRIBE |
| 3E | NATIVE VILLAGE OF ELIM, ALASKA |
| 3H | HABEMATOLEL POMO OF UPPER LAKE, CALIFORNIA |
| 3J | SITKA TRIBE OF ALASKA, ALASKA |
| 3K | KOKHANOK VILLAGE, ALASKA |
| 3M | NATIVE VILLAGE OF MARSHALL (OR FORTUNA LEDGE), ALASKA |
| 3N | NATIVE VILLAGE OF NUNAPITCHUK, ALASKA |
| 3P | NATIVE VILLAGE OF POINT HOPE, ALASKA |
| 3Q | VILLAGE OF OLD HARBOR, ALASKA |
| 3R | SAN MANUEL BAND OF SERRANO MISSION INDIANS, CALIFORNIA |
| 3S | NATIVE VILLAGE OF SAINT MICHAEL, ALASKA |
| 3T | NATIVE VILLAGE OF TUNTUTULIAK, ALASKA |
| 3X | CURYUNG TRIBAL COUNCIL, ALASKA |
| 3Z | NATIVE VILLAGE OF KWINHAGAK (OR QUINHAGAK), ALASKA |
| 4A | ATQASUK VILLAGE (ATKASOOK), ALASKA |
| 4B | NATIVE VILLAGE OF BELKOFSKI, ALASKA |
| 4C | CORTINA INDIAN RANCHERIA OF WINTUN INDIANS OF CALIFORNIA |
| 4E | NATIVE VILLAGE OF EYAK (CORDOVA), ALASKA |
| 4J | SKAGWAY VILLAGE, ALASKA |
| 4K | KOYUKUK NATIVE VILLAGE, ALASKA |
| 4M | NATIVE VILLAGE OF MARY'S IGLOO, ALASKA |
| 4N | NENANA NATIVE ASSOCIATION, ALASKA |
| 4P | NATIVE VILLAGE OF POINT LAY, ALASKA |
| 4Q | VILLAGE OF SALAMATOFF, ALASKA |
| 4R | TORRES MARTINEZ DESERT CAHUILLA INDIANS, CALIFORNIA |
| 4S | NATIVE VILLAGE OF SAVOONGA, ALASKA |
| 4T | NATIVE VILLAGE OF TUNUNAK, ALASKA |
| 4X | SHINNECOCK INDIAN NATION, NEW YORK |
| 4Z | NATIVE VILLAGE OF OUZINKIE, ALASKA |
| 5A | VILLAGE OF ALAKANUK, ALASKA |
| 5B | NATIVE VILLAGE OF BREVIG MISSION, ALASKA |
| 5C | COYOTE VALLEY BAND OF POMO INDIANS OF CALIFORNIA |
| 5E | ELEM INDIAN COLONY OF POMO INDIANS OF THE SULPHUR BANK RANCHERIA, CALIFORNIA |
| 5J | SOUTH NAKNEK VILLAGE, ALASKA |
| 5K | NATIVE VILLAGE OF KANATAK, ALASKA |
| 5M | NATIVE VILLAGE OF MEKORYUK, ALASKA |
| 5N | NEW KOLIGANEK VILLAGE COUNCIL, ALASKA |
| 5P | NATIVE VILLAGE OF PORT GRAHAM, ALASKA |
| 5Q | VILLAGE OF SLEETMUTE, ALASKA |
| 5R | TULE RIVER INDIAN TRIBE OF THE TULE RIVER RESERVATION, CALIFORNIA |
| 5S | NATIVE VILLAGE OF SCAMMON BAY, ALASKA |
| 5T | NATIVE VILLAGE OF TYONEK, ALASKA |
| 5Z | NATIVE VILLAGE OF CANTWELL, ALASKA |
| 6A | VILLAGE OF ANAKTUVUK PASS, ALASKA |
| 6B | NATIVE VILLAGE OF BUCKLAND, ALASKA |
| 6C | CENTRAL COUNCIL OF THE TLINGIT AND HAIDA INDIAN TRIBES, ALASKA |
| 6J | STEBBINS COMMUNITY ASSOCIATION, ALASKA |
| 6K | NATIVE VILLAGE OF KARLUK, ALASKA |
| 6M | NATIVE VILLAGE OF MINTO, ALASKA |
| 6N | NEW STUYAHOK VILLAGE, ALASKA |
| 6P | NATIVE VILLAGE OF PORT HEIDEN, ALASKA |
| 6Q | VILLAGE OF SOLOMON, ALASKA |
| 6S | NATIVE VILLAGE OF SELAWIK, ALASKA |
| 6T | TAKOTNA VILLAGE, ALASKA |
| 7A | VILLAGE OF ANIAK, ALASKA |
| 7B | VILLAGE OF BILL MOORE'S SLOUGH, ALASKA |
| 7C | CHALKYITSIK VILLAGE, ALASKA |
| 7J | SUN'AQ TRIBE OF KODIAK (ALSO KNOWN AS THE SHOONAQ' TRIBE OF KODIAK, ALASKA) |
| 7K | NATIVE VILLAGE OF KIANA, ALASKA |
| 7M | CABAZON BAND OF MISSION INDIANS, CALIFORNIA |
| 7N | NEWHALEN VILLAGE, ALASKA |
| 7P | NATIVE VILLAGE OF PORT LIONS, ALASKA |
| 7Q | VILLAGE OF STONY RIVER, ALASKA |
| 7S | NATIVE VILLAGE OF SHAKTOOLIK, ALASKA |
| 7T | TANGIRNAQ NATIVE VILLAGE (FORMERLY LESNOI VILLAGE OR WOODY ISLAND), ALASKA |
| 8A | VILLAGE OF ATMAUTLUAK, ALASKA |
| 8B | BEAR RIVER BAND OF THE ROHNERVILLE RANCHERIA, CALIFORNIA |
| 8C | CHEESH-NA TRIBE (ALSO KNOWN AS THE NATIVE VILLAGE OF CHISTOCHINA), ALASKA |
| 8J | NATIVE VILLAGE OF STEVENS, ALASKA |
| 8K | NATIVE VILLAGE OF KIPNUK, ALASKA |
| 8M | MANCHESTER BAND OF POMO INDIANS OF THE MANCHESTER-POINT RANCHERIA, CALIFORNIA |
| 8N | NEWTOK VILLAGE, ALASKA |
| 8P | PAULOFF HARBOR VILLAGE, ALASKA |
| 8Q | QUARTZ VALLEY INDIAN COMMUNITY OF THE QUARTZ VALLEY RESERVATION OF CALIFORNIA |
| 8S | NATIVE VILLAGE OF SHISHMAREF, ALASKA |
| 8T | TELIDA VILLAGE, ALASKA |
| 9C | CHEVAK NATIVE VILLAGE, ALASKA |
| 9K | NATIVE VILLAGE OF KIVALINA, ALASKA |
| 9N | NIKOLAI VILLAGE, ALASKA |
| 9P | PEDRO BAY VILLAGE, ALASKA |
| 9S | NATIVE VILLAGE OF SHUNGNAK, ALASKA |
| 9T | TRADITIONAL VILLAGE OF TOGIAK, ALASKA (TULUKSAK NATIVE COMMUNITY) |
| A1 | ALTURAS INDIAN RANCHERIA, CALIFORNIA |
| A2 | AUGUSTINE BAND OF CAHUILLA INDIANS, CALIFORNIA |
| A3 | AGDAAGUX TRIBE OF KING COVE, ALASKA |
| A4 | AKIACHAK NATIVE COMMUNITY, ALASKA |
| A5 | AKIAK NATIVE COMMUNITY, ALASKA |
| A6 | ALATNA VILLAGE, ALASKA |
| A7 | ALGAACIQ NATIVE VILLAGE (ST. MARY'S), ALASKA |
| A8 | ALLAKAKET VILLAGE, ALASKA |
| A9 | ANGOON COMMUNITY ASSOCIATION, ALASKA |
| AX | APACHE TRIBE OF OKLAHOMA |
| B1 | BERRY CREEK RANCHERIA OF MAIDU INDIANS OF CALIFORNIA |
| B2 | BIG LAGOON RANCHERIA, CALIFORNIA |
| B3 | BIG PINE PAIUTE TRIBE OF THE OWENS VALLEY (ALSO KNOWN AS THE BIG PINE BAND OF OWENS VALLEY PAIUTE SHOSHONE INDIANS OF THE BIG PINE RESERVATION, CALIFORNIA) |
| B4 | BIG SANDY RANCHERIA OF WESTERN MONO INDIANS OF CALIFORNIA (ALSO KNOWN AS THE BIG SANDY RANCHERIA OF MONO INDIANS OF CALIFORNIA) |
| B5 | BIG VALLEY BAND OF POMO INDIANS OF THE BIG VALLEY RANCHERIA, CALIFORNIA |
| B6 | BISHOP PAIUTE TRIBE (ALSO KNOWN AS THE PAIUTE-SHOSHONE INDIANS OF THE BISHOP COMMUNITY OF THE BISHOP COLONY, CALIFORNIA) |
| B7 | BLUE LAKE RANCHERIA, CALIFORNIA |
| B8 | BRIDGEPORT INDIAN COLONY (ALSO KNOWN AS THE BRIDGEPORT PAIUTE INDIAN COLONY OF CALIFORNIA) |
| B9 | BUENA VISTA RANCHERIA OF ME-WUK INDIANS OF CALIFORNIA |
| C1 | CACHIL DEHE BAND OF WINTUN INDIANS OF THE COLUSA INDIAN COMMUNITY OF THE COLUSA RANCHERIA, CALIFORNIA |
| C2 | CAHTO TRIBE OF THE LAYTONVILLE RANCHERIA CAHUILLA BAND OF MISSION INDIANS OF THE CAHUILLA RESERVATION, CALIFORNIA |
| C3 | CALIFORNIA VALLEY MIWOK TRIBE, CALIFORNIA |
| C4 | CAMPO BAND OF DIEGUENO MISSION INDIANS OF THE CAMPO INDIAN RESERVATION, CALIFORNIA |
| C5 | CAPITAN GRANDE BAND OF DIEGUENO MISSION INDIANS OF CALIFORNIA (BARONA GROUP OF CAPITAN GRANDE BAND OF MISSION INDIANS OF THE BARONA RESERVATION, CALIFORNIA; VIEJAS (BARON LONG) GROUP OF CAPITAN GRANDE BAND OF MISSION INDIANS OF THE VIEJAS RESERVATION, CA |
| C6 | CEDARVILLE RANCHERIA, CALIFORNIA |
| C7 | CHEMEHUEVI INDIAN TRIBE OF THE CHEMEHUEVI RESERVATION, CALIFORNIA |
| C8 | CHER-AE HEIGHTS INDIAN COMMUNITY OF THE TRINIDAD RANCHERIA, CALIFORNIA |
| C9 | CHICKEN RANCH RANCHERIA OF ME-WUK INDIANS OF CALIFORNIA |
| D1 | DRY CREEK RANCHERIA BAND OF POMO INDIANS, CALIFORNIA |
| D2 | DOUGLAS INDIAN ASSOCIATION, ALASKA |
| D3 | NATIVE VILLAGE OF DEERING, ALASKA |
| D4 | NATIVE VILLAGE OF DIOMEDE (OR INALIK), ALASKA |
| D5 | VILLAGE OF DOT LAKE, ALASKA |
| D6 | ORGANIZED VILLAGE OF KAKE, ALASKA |
| D7 | ORGANIZED VILLAGE OF KASAAN, ALASKA |
| D8 | ORGANIZED VILLAGE OF KWETHLUK, ALASKA |
| D9 | ORGANIZED VILLAGE OF SAXMAN, ALASKA |
| DA | CHEYENNE AND ARAPAHO TRIBES OF OKLAHOMA (FORMERLY THE CHENENNE ARAPAHO TRIBES OF OKLAHOMA) |
| DP | COMANCHE NATION OF OKLAHOMA |
| DQ | AK CHIN INDIAN COMMUNITY OF MARICOPA (AK CHIN) INDIAN RESERVATION, ARIZONA |
| DS | MIAMI TRIBE OF OKLAHOMA |
| DT | MUSCOGEE (CREEK) TRIBE OF OKLAHOMA |
| DV | SENECA-CAYUGA TRIBES OF OKLAHOMA |
| DW | CITIZEN POTAWATOMI NATION OF OKLAHOMA |
| DX | ALABAMA-COUSHATTA TRIBES OF TEXAS |
| DY | ALABAMA-QUASSARTE TRIBAL TOWN, OKLAHOMA |
| DZ | ARAPAHOE TRIBE OF THE WIND RIVER RESERVATION, WYOMING |
| E1 | ELK VALLEY RANCHERIA, CALIFORNIA |
| E2 | ENTERPRISE RANCHERIA OF MAIDU INDIANS OF CALIFORNIA |
| E3 | EWIIAAPAAYP BAND OF KUMEYAAY INDIANS, CALIFORNIA |
| E4 | EGEGIK VILLAGE, ALASKA |
| E5 | EKLUTNA NATIVE VILLAGE, ALASKA |
| E6 | EKWOK VILLAGE, ALASKA |
| E7 | EMMONAK VILLAGE, ALASKA |
| E8 | EVANSVILLE VILLAGE (OR BETTLES FIELD), ALASKA |
| E9 | NATIVE VILLAGE OF EAGLE, ALASKA |
| EA | AROOSTOOK BAND OF MICMAC INDIANS OF MAINE |
| EB | BAY MILLS INDIAN COMMUNITY, MICHIGAN |
| EC | BLACKFEET TRIBE OF THE BLACKFEET INDIAN RESERVATION OF MONTANA |
| ED | BURNS PAIUTE TRIBE OF THE BURNS PAIUTE INDIAN COLONY OF OREGON |
| EE | ABSENTEE-SHAWNEE TRIBES OF INDIANS OF OKLAHOMA |
| EF | CAYUGA NATION OF NEW YORK |
| EG | CHEYENNE RIBER SIOUX TRIBE OF THE CHEYENNE RIVER RESERVATION, SOUTH DAKOTA |
| EH | CHICKASAW NATION, OKLAHOMA |
| EI | CHIPPEWA-CREE INDIANS OF THE ROCKY BOY'S RESERVATION MONTANA |
| EJ | CHITIMACHA TRIBE OF LOUISIANA |
| EP | COCOPAH TRIBE OF ARIZONA |
| EQ | COEUR D'ALENE TRIBE OF TEH COEUR D'ALENE RESERVATION, IDAHO |
| EV | COLORADO RIVER INDIAN TRIBES OF THE COLORADO RIVER INDIAN RESERVATION, ARIZONA AND CALIFORNIA |
| EW | CONFEDERATED TRIBES OF THE CHEHALIS RESERVATION WASHINGTON |
| EX | CONFEDERATED TRIBES OF THE COLVILLE RESERVATION, WASHINGTON |
| F1 | FORT BIDWELL INDIAN COMMUNITY OF THE FORT BIDWELL RESERVATION OF CALIFORNIA |
| F2 | FORT INDEPENDENCE INDIAN COMMUNITY OF PAIUTE INDIANS OF THE FORT INDEPENDENCE RESERVATION, CALIFORNIA |
| F4 | NATIVE VILLAGE OF FALSE PASS, ALASKA |
| F5 | NATIVE VILLAGE OF FORT YUKON, ALASKA |
| F6 | PETERSBURG INDIAN ASSOCIATION, ALASKA |
| F7 | PILOT STATION TRADITIONAL VILLAGE, ALASKA |
| F8 | PLATINUM TRADITIONAL VILLAGE, ALASKA |
| F9 | PORTAGE CREEK VILLAGE (OR OHGSENAKALE), ALASKA |
| FB | CONFEDERATED TRIBES OF THE GOSHUTE RESERVATION, NEVADA AND UTAH |
| FC | FOND DU LAC BAND OF LAKE SUPERIOR CHIPPEWA MINNESOTA |
| FE | CONFEDERATED TRIBES OF THE UMATILLA RESERVATION, OREGON |
| FF | CONFEDERATED TRIBES OF THE WARM SPRINGS RESERVATION OF OREGON |
| FH | COUSHATTA TRIBE OF LOUISIANA |
| FK | CROW CREEK SIOUX TRIBE OF THE CROW CREEK RESERVATION, SOUTH DAKOTA |
| FM | CROW TRIBE OF MONTANA |
| FQ | EASTERN BAND OF CHEROKEE INDIANS OF NORTH CAROLINA |
| FT | EASTERN SHOSHONE TRIBE WYOMING |
| FU | ELY SHOSHONE TRIBE OF NEVADA |
| FV | PAIUTE-SHOSHONE TRIBE OF THE FALLON RESERVATION AND COLONY, NEVADA |
| FW | FLANDREAU SANTEE SIOUX TRIBE OF SOUTH DAKOTA |
| FX | SAC AND FOX NATION OF OKLAHOMA |
| FY | FORT BELKNAP INDIAN COMMUNITY OF THE FORT BELKNAP RESERVATION OF MONTANA |
| FZ | FORT MCDOWELL YAVAPAI NATION, ARIZONA |
| G1 | GRINDSTONE INDIAN RANCHERIA OF WINTUN-WAILAKI INDIANS OF CALIFORNIA |
| G2 | GUIDIVILLE RANCHERIA OF CALIFORNIA |
| G3 | GALENA VILLAGE (OR LOUDEN VILLAGE), ALASKA |
| G4 | GULKANA VILLAGE, ALASKA |
| G5 | NATIVE VILLAGE OF GAKONA, ALASKA |
| G6 | NATIVE VILLAGE OF GAMBELL, ALASKA |
| G7 | NATIVE VILLAGE OF GEORGETOWN, ALASKA |
| G8 | NATIVE VILLAGE OF GOODNEWS BAY, ALASKA |
| G9 | ORGANIZED VILLAGE OF GRAYLING (OR HOLIKACHUK), ALASKA |
| GQ | FORT MOJAVE TRIBE OF ARIZONA, CALIFORNIA AND NEVADA |
| GV | ASSINIBOINE AND SIOUX TRIBES OF THE FORT PECK INDIAN RESERVATION, MONTANA |
| GX | GILA RIVER INDIAN COMMUNITY OF THE GILA RIVER INDIAN RESERVATION, ARIZONA |
| H1 | HOOPA VALLEY TRIBE, CALIFORNIA |
| H2 | HOPLAND BAND OF POMO INDIANS, CALIFORNIA |
| H3 | HEALY LAKE VILLAGE, ALASKA |
| H4 | HOLY CROSS VILLAGE, ALASKA |
| H5 | HOONAH INDIAN ASSOCIATION, ALASKA |
| H6 | HUGHES VILLAGE, ALASKA |
| H7 | HUSLIA VILLAGE, ALASKA |
| H8 | HYDABURG COOPERATIVE ASSOCIATION, ALASKA |
| H9 | NATIVE VILLAGE OF HAMILTON, ALASKA |
| HB | GRAND TRAVERSE BAND OF OTTAWA AND CHIPPEWA INDIANS, MICHIGAN |
| HF | HANNAHVILLE INDIAN COMMUNITY, MICHIGAN |
| HG | HAVASUPAI TRIBE OF THE HAVASUPAI RESERVATION, ARIZONA |
| HJ | HOH INDIAN TRIBE OF THE HOH INDIAN RESERVATION, WASHINGTON |
| HM | HOPI TRIBE OF ARIZONA |
| HP | HUALAPAI INDIAN TRIBE OF THE HUALAPAI INDIAN RESERVATION, ARIZONA |
| HQ | IOWA TRIBE OF KANSAS AND NEBRASKA |
| HW | JAMESTOWN S'KLALLAM TRIBE OF WASHINGTON |
| HX | JENA BAND OF CHOCTAW INDIANS, LOUISIANA |
| HZ | JICARILLA APACHE NATION, NEW MEXICO |
| I3 | JACKSON RANCHERIA OF ME-WUK INDIANS OF CALIFORNIA |
| I4 | JAMUL INDIAN VILLAGE OF CALIFORNIA |
| I5 | IGIUGIG VILLAGE, ALASKA |
| I6 | INUPIAT COMMUNITY OF THE ARCTIC SLOPE, ALASKA |
| I7 | IQURMUIT TRADITIONAL COUNCIL, ALASKA |
| I8 | IVANOFF BAY VILLAGE, ALASKA |
| I9 | VILLAGE OF ILIAMNA, ALASKA |
| IF | KAIBAB BAND OF PAIUTE INDIANS OF THE KAIBAB INDIAN RESERVATION, ARIZONA |
| IG | KALISPEL INDIAN COMMUNITY OF KALISPEL INDIAN RESERVATION WASHINGTON |
| IH | KAW NATION, OKLAHOMA |
| IK | KEWEENAW BAY INDIAN COMMUNITY, MICHIGAN |
| IV | KICKAPOO TRIBE OF INDIANS OF THE KICKAPOO RESERVATION IN KANSAS |
| IW | IOWA TRIBE OF OKLAHOMA |
| IX | MENOMINEE INDIAN TRIBE OF WISCONSIN |
| IZ | KOOTENAI TRIBE OF IDAHO |
| J1 | NINILCHIK VILLAGE, ALASKA |
| J2 | NOME ESKIMO COMMUNITY, ALASKA |
| J3 | NONDALTON VILLAGE, ALASKA |
| J4 | NOORVIK NATIVE COMMUNITY, ALASKA |
| J5 | NORTHWAY VILLAGE, ALASKA |
| J6 | NULATO VILLAGE, ALASKA |
| J7 | NUNAKAUYARMIUT TRIBE, ALASKA |
| J8 | SELDOVIA VILLAGE TRIBE, ALASKA |
| JB | LAC VIEUX DESER BAND OF LAKE SUPERIOR CHIPPEWA INDIANS, MICHIGAN |
| JD | LITTLE RIVER BAND OF OTTAWA INDIANS, MICHIGAN |
| JF | LITTLE TRAVERSE BAY BANDS OF ODAWA INDIANS, MICHIGAN |
| JG | LOVELOCK PAIUTE TRIBE OF THE LOVELOCK INDIAN COLONY, NEVADA |
| JH | LOWER BRULE SIOUX TRIBE OF THE LOWER BRULE RESERVATION, SOUTH DAKOTA |
| JJ | LOWER ELWHA TRIBAL COMMUNITY OF THE LOWER ELWHA RESERVATION, WASHINGTON |
| JK | LUMMI TRIBE OF THE LUMMI RESERVATION, WASHINGTON |
| JP | MAKAH INDIAN TRIBE OF THE MAKAH INDIAN RESERVAITON, WASHINGTON |
| JQ | MASHANTUCKET PEQUOT TRIBE OF CONNECTICUT |
| JS | MATCH-E-BE-NASH-SHE-WISH BAND OF POTTAWATOMI INDIANS OF MICHIGAN |
| JT | MESCALERO APACHE TRIBE OF THE MESCALERO RESERVATION, NEW MEXICO |
| JV | METLAKATLA INDIAN COMMUNITY, ANNETTE ISLAND ALASKA |
| JW | MICCOSUKEE TRIBE OF INDIANS, FLORIDA |
| JX | MISSISSIPPI BAND OF CHOCTAW INDIANS |
| JY | MUCKLESHOOT INDIAN TRIBE OF THE MUCKLESHOOT RESERVATION, WASHINGTON |
| JZ | NARRAGANSETT INDIAN TRIBE OF RHODE ISLAND |
| K1 | KASHIA BAND OF POMO INDIANS OF THE STEWARTS POINT, RANCHERIA, CALIFORNIA |
| K2 | KOI NATION OF NORTHERN CALIFORNIA (ALSO KNOWN AS THE LOWER LAKE RANCHERIA, CALIFORNIA) |
| K3 | KAGUYAK VILLAGE, ALASKA |
| K4 | KAKTOVIK VILLAGE (OR BARTER ISLAND), ALASKA |
| K5 | KASIGLUK TRADITIONAL ELDERS COUNCIL, ALASKA |
| K6 | KENAITZE INDIAN TRIBE, ALASKA |
| K7 | KETCHIKAN INDIAN CORPORATION, ALASKA |
| K8 | KING ISLAND NATIVE COMMUNITY, ALASKA |
| K9 | KING SALMON TRIBE, ALASKA |
| KD | NAVAJO NATION, ARIZONA, NEW MEXICO AND UTAH |
| KF | NEZ PERCE TRIBE, IDAHO (FORMERLY LISTED NEX PERCE TRIBE OF IDAHO) |
| KG | NISQUALLY INDIAN TRIBE OF THE NISQUALLY RESERVATION, WASHINGTON |
| KJ | NOOKSACK INDIAN TRIBE OF WASHINGTON |
| KK | KICKAPOO TRIBE OF OKLAHOMA |
| KL | NORTHERN CHEYENNE TRIBE OF THE NORTHERN CHEYENNE INDIAN RESERVATION, MONTANA |
| KM | NOTTAWASEPPI HURON BAND OF THE POTAWATOMI, MICHIGAN (FORMERLY THE HURON POTAWATOMI, INC) |
| KP | SHAKOPEE |
| KQ | OHKAY OWINGEH, NEW MEXICO (FORMERLY THE PUEBLO OF SAN JUAN) |
| KW | KIOWA INDIAN TRIBE OF OKLAHOMA |
| KX | OMAHA TRIBE OF NEBRASKA |
| L1 | LA POSTA BAND OF DIEGUENO MISSION INDIANS OF THE LA POSTA INDIAN RESERVATION, CALIFORNIA |
| L2 | PAIUTE-SHOSHONE INDIANS OF THE LONE PINE COMMUNITY OF THE LONE PINE RESERVATION, CALIFORNIA |
| L3 | LOS COYOTES BAND OF CAHUILLA AND CUPENO INDIANS, CALIFORNIA |
| L4 | LUMMI TRIBE OF THE LUMMI RESERVATION LYTTON RANCHERIA OF CALIFORNIA |
| L5 | LEVELOCK VILLAGE, ALASKA |
| L6 | LIME VILLAGE, ALASKA |
| L7 | NATIVE VILLAGE OF LARSEN BAY, ALASKA, ALASKA |
| L8 | VILLAGE OF LOWER KALSKAG, ALASKA |
| L9 | KALISPEL INDIAN COMMUNITY OF THE KALISPEL RESERVATION KARUK TRIBE (ALSO KNOWN AS THE KARUK TRIBE OF CALIFORNIA) |
| LC | MILLE LACS BAND OF CHIPPEWA, MINNESOTA |
| LG | ONONDAGA NATION OF NEW YORK |
| LJ | PASCUA YAQUI TRIBE OF ARIZONA |
| LK | PASSAMAQUODDY TRIBE OF MAINE |
| LL | LEECH LAKE BAND OF CHIPPEWA, MINNESOTA |
| LM | PENOBSCOT TRIBE OF MAINE |
| LP | LAC DU FLAMBEAU BAND OF LAKE SUPERIOR CHIPPEWA INDIANS OF THE LAC DU FLAMBEAU RESERVATION, WISCONSIN |
| LQ | POARCH BAND OF CREEK INDIANS OF ALABAMA |
| LR | POKAGON BAND OF POTAWATOMI INDIANS, MICHIGAN AND INDIANA |
| LV | PORT GAMBLE S'KLALLAM TRIBE (ALSO KNOWN AS PORT GAMBLE OF INDIAN COMMUNITY OF THE PORT GAMBLE RESERVATION, WASHINGTON) |
| LW | PRAIRIE BAND OF POTAWATOMI NATION, KANSAS |
| LZ | PUEBLO OF ACOMA, NEW MEXICO |
| M1 | MANZANITA BAND OF DIEGUENO MISSION INDIANS OF THE MANZANITA RESERVATION, CALIFORNIA |
| M2 | MECHOOPDA INDIAN TRIBE OF CHICO RANCHERIA, CALIFORNIA |
| M3 | MESA GRANDE BAND OF DIEGUENO MISSION INDIANS OF THE MESA GRANDE RESERVATION, CALIFORNIA |
| M4 | MIDDLETOWN RANCHERIA OF POMO INDIANS OF CALIFORNIA |
| M5 | MOORETOWN RANCHERIA OF MAIDU INDIANS OF CALIFORNIA |
| M6 | MORONGO BAND OF MISSION INDIANS, CALIFORNIA (ALSO KNOWN AS THE MORONGO BAND OF CAHUILLA MISSION INDIANS OF THE MORONGO RESERVATION) |
| M7 | MANLEY HOT SPRINGS VILLAGE, ALASKA |
| M8 | MANOKOTAK VILLAGE, ALASKA |
| M9 | MCGRATH NATIVE VILLAGE, ALASKA |
| N1 | NAKNEK NATIVE VILLAGE, ALASKA |
| N2 | NATIVE VILLAGE OF NANWALEK (OR ENGLISH BAY), ALASKA |
| N3 | NATIVE VILLAGE OF NAPAIMUTE, ALASKA |
| N4 | NATIVE VILLAGE OF NAPAKIAK, ALASKA |
| N5 | NATIVE VILLAGE OF NAPASKIAK, ALASKA |
| N6 | NATIVE VILLAGE OF NELSON LAGOON, ALASKA |
| N7 | NATIVE VILLAGE OF NIGHTMUTE, ALASKA |
| N8 | NATIVE VILLAGE OF NIKOLSKI, ALASKA |
| N9 | NATIVE VILLAGE OF NOATAK, ALASKA |
| OB | PUEBLO OF COCHITI, NEW MEXICO |
| OD | PUEBLO OF ISLETA, NEW MEXICO |
| OE | PUEBLO OF JAMEZ, NEW MEXICO |
| OG | OSAGE NATION OF OKLAHOMA (FORMERLY OSAGE TRIBE) |
| OJ | PUEBLO OF LAGUNA, NEW MEXICO |
| OL | PUEBLO OF NAMBE, NEW MEXICO |
| OO | OTOE-MISSOURIA TRIBE OF INDIANS OF OKLAHOMA |
| OP | PUEBLO OF PICURIS, NEW MEXICO |
| OQ | PUEBLO OF SAN FELIPE, NEW MEXICO |
| OS | OGLALA SIOUX OF PINE RIDGE RESERVATION, SOUTH DAKOTA |
| OT | ONEIDA TRIBE OF INDIANS OF WISCONSIN |
| OU | PUEBLO OF SAN ILDEFONSO, NEW MEXICO |
| OV | PUEBLO OF SANDIA, NEW MEXICO |
| OW | PUEBLO OF SANTA ANA, NEW MEXICO |
| OX | PUEBLO OF SANTA CLARA, NEW MEXICO |
| OY | KEWA PUEBLO, NEW MEXICO (FORMERLY PUEBLO OF SANTO DOMINGO, NEW MEXICO) |
| OZ | ONEIDA NATION OF NEW YORK |
| P1 | PASKENTA BAND OF NOMLAKI INDIANS OF CALIFORNIA |
| P2 | PAUMA BAND OF LUISENO MISSION INDIANS OF THE PAUMA AND YUIMA RESERVATION, CALIFORNIA |
| P3 | PECHANGA BAND OF LUISENO MISSION INDIANS OF THE PECHANGA RESERVATION, CALIFORNIA |
| P4 | PICAYUNE RANCHERIA OF CHUKCHANSI INDIANS OF CALIFORNIA |
| P5 | PINOLEVILLE POMO NATION, CALIFORNIA (ALSO KNOWN AS THE PINOLEVILLE RANCHERIA OF POMO INDIANS OF CALIFORNIA) |
| P6 | PIT RIVER TRIBE, CALIFORNIA (INCLUDES XL RANCH, BIG BEND, LIKELY, LOOKOUT, MONTGOMERY CREEK AND ROARING CREEK RANCHERIAS) |
| P7 | POTTER VALLEY RANCHERIA OF POMO INDIANS OF CALIFORNIA |
| P8 | NATIVE VILLAGE OF PAIMIUT, ALASKA |
| P9 | NATIVE VILLAGE OF PERRYVILLE, ALASKA |
| PH | PUEBLO OF TAOS, NEW MEXICO |
| PJ | PUEBLO OF TESUQUE, NEW MEXICO |
| PN | PONCA TRIBE OF INDIANS OF OKLAHOMA |
| PP | PUEBLO OF ZIA, NEW MEXICO |
| PW | PAWNEE NATION OF OKLAHOMA |
| PX | PUEBLO OF ZUNI, NEW MEXICO |
| PY | PUYALLUP TRIBE OF THE PUYALLUP RESERVATION, WASHINGTON |
| PZ | PYRAMID LAKE PAIUTE TRIBE OF THE PYRAMID LAKE RESERVATION, NEVADA |
| Q2 | QAGAN TAYAGUNGIN TRIBE OF SAND POINT VILLAGE, ALASKA |
| Q3 | QAWALANGIN TRIBE OF UNALASKA RAMPART VILLAGE, ALASKA |
| Q4 | TWIN HILLS VILLAGE, ALASKA |
| Q5 | VILLAGE OF CHEFORNAK, ALASKA |
| Q6 | VILLAGE OF CLARKS POINT, ALASKA |
| Q7 | VILLAGE OF CROOKED CREEK, ALASKA |
| Q8 | VILLAGE OF KALSKAG, ALASKA |
| Q9 | VILLAGE OF KALTAG, ALASKA |
| QB | QUECHAN TRIBE OF THE FORT YUMA INDIAN RESERVATION, CALIFORNIA AND ARIZONA |
| QC | QUILEUTE TRIBE OF THE QUILEUTE RESERVATION, WASHINGTON |
| QD | QUINAULT TRIBE OF THE QUINAULT RESERVATION, WASHINGTON |
| QE | RENO-SPARKS INDIAN COLONY, NEVADA |
| QF | ROSEBUD SIOUX TRIBE OF THE ROSEBUD INDIAN RESERVATION, SOUTH DAKOTA |
| QG | SAC AND FOX NATION OF MISSOURI IN KANSAS AND NEBRASKA |
| QH | SAC AND FOX TRIBE OF THE MISSISSIPPI IN IOWA |
| QI | SAGINAW CHIPPEWA INDIA TRIBE OF MICHIGAN |
| QJ | SAINT REGIS MOAHWK TRIBE, NEW YORK (FORMERLY THE ST REGIS BAND OF MOHAWK INDIANS OF NEW YORK) |
| QK | SALT RIVER PIMA-MARICOPA INDIAN COMMUNITY OF THE SALT RIVER RESERVATION, ARIZONA |
| QL | SAMISH INDIAN TRIBE, WASHINGTON |
| QM | SAN CARLOS APACHE TRIBE OF THE SAN CARLOS RESERVATION, ARIZONA |
| QN | SANTEE SIOUX NATION, NEBRASKA |
| QO | SAUK-SUIATTLE INDIAN TRIBE OF WASHINGTON |
| QP | SAULT SAINTE MAIRE TRIBE OF CHIPPEWA INDIANS OF MICHIGAN |
| QQ | SEMINOLE TRIBE OF FLORIDA (DANIA, BIG CYPRESS, BRIGHTON, HOLLYWOOD AND TAMPA RESERVATIONS |
| QS | SENECA NATION OF NEW YORK |
| QT | SHOALWATER BAY TRIBE OF THE SHOALWATER BAY INDIAN RESERVATION, WASHINGTON |
| QV | SHOSHONE-BANNOCK TRIBES OF THE FORT HALL RESERVATION OF IDAHO |
| QW | SHOSHONE-PAIUTE TRIBES OF THE DUCK VALLEY RESERVATION, NEVADA |
| QX | SISSETON-WAHPETON OYATE OF THE LAKE TRAVERSE RESERVATION, SOUTH DAKOTA |
| QY | SKOKOMISH INDIAN TRIBE OF THE SKOKOMISH RESERVATION, WASHINGTON |
| QZ | SKULL VALLEY BAND OF GOSHUTE INDIANS OF UTAH |
| R1 | REDDING RANCHERIA, CALIFORNIA |
| R2 | REDWOOD VALLEY LITTLE RIVER BAND OF POMO INDIANS OF THE REDWOOD VALLEY RANCHERIA, CALIFORNIA |
| R3 | RESIGHINI RANCHERIA, CALIFORNIA |
| R4 | RINCON BAND OF LUISENO MISSION INDIANS OF THE RINCON RESERVATION, CALIFORNIA |
| R5 | ROBINSON RANCHERIA BAND OF POMO INDIANS, CALIFORNIA |
| R6 | ROUND VALLEY INDIAN TRIBES, ROUND VALLEY RESERVATION, CALIFORNIA |
| R7 | NATIVE VILLAGE OF RUBY, ALASKA |
| R8 | VILLAGE OF RED DEVIL, ALASKA |
| R9 | NORTHFORK RANCHERIA OF MONO INDIANS OF CALIFORNIA |
| RD | SNOQUALMIE TRIBE, WASHINGTON |
| RJ | SOUTHERN UTE INDIAN TRIBE OF TEH SOUTHERN UTE RESERVATION COLORADO |
| RK | SPIRIT LAKE TRIBE, NORTH DAKOTA (FORMERLY DEVIL'S LAKE SIOUX TRIBE, NORTH DAKOTA-DL) |
| RL | RED LAKE BAND OF CHIPPEWA INDIANS OF MINNESOTA |
| RM | SPOKANE TRIBE OF THE SPOKANE RESERVATION, WASHINGTON |
| RN | SQUAXIN ISLAND TRIBE OF SQUAXIN ISLAND RESERVATION, WASHINGTON |
| RO | STANDING ROCK SIOUX TRIBE OF NORTH AND SOUTH DAKOTA |
| RP | SUMMIT LAKE PAIUTE TRIBE OF NEVADA |
| RQ | SUQUAMISH INDIAN TRIBE OF THE PORT MADISON RESERVATION, WASHINGTON |
| RT | SWINOMISH INDIANS OF THE SWINOMISH RESERVATION, WASHINGTON |
| RX | TE-MOAK TRIBE OF WESTERN SHOSHONE INDIANS OF NEVADA (FOUR CONSTITUENT BANDS: BATTLE MOUNTAIN BAND; ELKO BAND; SOUTH FORK BAND AND WELLS BAND) |
| RZ | THREE AFFILIATED TRIBES OF THE FORT BERTHOLD RESERVATION, NORTH DAKOTA |
| S1 | SAN PASQUAL BAND OF DIEGUENO MISSION INDIANS OF CALIFORNIA |
| S2 | SANTA ROSA BAND OF MISSION CAHUILLA INDIANS, CALIFORNIA |
| S3 | SANTA ROSA INDIAN COMMUNITY OF THE SANTA ROSA RANCHERIA, CALIFORNIA |
| S4 | SANTA YNEZ BAND OF CHUMASH MISSION INDIANS OF THE SANTA YNEZ RESERVATION, CALIFORNIA |
| S5 | SCOTTS VALLEY BAND OF POMO INDIANS OF CALIFORNIA |
| S6 | SHERWOOD VALLEY RANCHERIA OF POMO INDIANS OF CALIFORNIA |
| S7 | SHINGLE SPRINGS BAND OF MIWOK INDIANS, SHINGLE SPRINGS RANCHERIA (VERONA TRACT), CALIFORNIA |
| S8 | SMITH RIVER RANCHERIA, CALIFORNIA |
| S9 | SOBOBA BAND OF LUISENO INDIANS, CALIFORNIA |
| SK | SEMINOLE NATION OF OKLAHOMA |
| T2 | TUOLUMNE BAND OF ME-WUK INDIANS OF THE TUOLUMNE RANCHERIA OF CALIFORNIA |
| T3 | TWENTY-NINE PALMS BAND OF MISSION INDIANS OF CALIFORNIA |
| T4 | UNITED AUBURN INDIAN COMMUNITY OF THE AUBURN RANCHERIA OF CALIFORNIA |
| T5 | UTU UTU GWAITU PAIUTE TRIBE OF THE BENTON PAIUTE RESERVATION, CALIFORNIA |
| T6 | NATIVE VILLAGE OF TANACROSS, ALASKA |
| T7 | NATIVE VILLAGE OF TANANA, ALASKA |
| T8 | NATIVE VILLAGE OF TATITLEK, ALASKA |
| T9 | NATIVE VILLAGE OF TAZLINA, ALASKA |
| U1 | NATIVE VILLAGE OF UNALAKLEET, ALASKA |
| U2 | NATIVE VILLAGE OF UNGA, ALASKA |
| U3 | UGASHIK VILLAGE, ALASKA |
| U4 | UMKUMIUT NATIVE VILLAGE (ALSO KNOWN AS UMKUMIUTE NATIVE VILLAGE), ALASKA |
| UB | TOHONO O'ODHAM NATION OF ARIZON |
| UC | TURTLE MOUNTAIN BAND OF CHIPPEWA INDIANS OF NORTH DAKOTA |
| UD | TONAWANDA BAND OF SENECA INDIANS OF NEW YORK |
| UE | TONKAWA TRIBE OF INDIANS OF OKLAHOMA |
| UF | TONTO APACHE TRIBE OF ARIZONA |
| UH | TULALIP TRIBES OF THE TULALIP RESERVATION, WASHINGTON |
| UI | TUNICA-BILOXI INDIAN TRIBE OF LOUISIANA |
| UJ | TUSCARORA NATION OF NEW YORK |
| UL | UPPER SKAGIT INDIAN TRIBE OF WASHINGTON |
| UO | UTE INDIAN TRIBE OF THE UINTAH AND OURAY RESERVATION, UTAH |
| UP | UTE MOUNTAIN TRIBE OF THE UTE MOUNTAIN RESERVATION, COLORADO, NEW MEXICO AND UTAH |
| UQ | WALKER RIVER PAIUTE TRIBE OF THE WALKER RIVER RESERVATION, NEVADA |
| UU | WAMPANOAG TRIBE OF GAY HEAD (AQUINNAH) OF MASSACHUESETTS |
| UW | WASHOE TRIBE OF NEVADA AND CALIFORNIA; CARSON COLONY, DRESSLERVILLE COLONY,WOODFORDS COMMUNITY; STEWART COMMUNITY AND WASHOE RANCHES |
| UX | WHITE MOUNTAIN APACHE TRIBE OF THE FORT APACHE RESERVATION ARIZON |
| V1 | NATIVE VILLAGE OF VENETIE TRIBAL GOVERNMENT (ARCTIC VILLAGE AND VILLAGE OF VENETIE), ALASKA |
| VD | WINNEBAGO TRIBE OF NEBRASKA |
| VF | YAKAMA NATION, WASHINGTON |
| VG | YAKTON SIOUX TRIBE OF SOUTH DAKOTA |
| VH | YAVAPAI-APACHE NAITON OF THE CAMP VERDE INDIAN RESERVATION, ARIZONA |
| VJ | YAVAPAI-PRESCOTT TRIBE OF TEH YAVAPAI RESERVATION, ARIZONA |
| VK | YERINGTON PAIUTE TRIBE OF THE YERINGTON COLONY & CAMPBELL RANCH, NEVADA |
| VO | YOMBA SHOSHONE TRIBE OF THE YOMBA RESERVATION, NEVADA |
| VP | CATAWBA INDIAN NATION, SOUTH CAROLINA (AKA CATAWBA TRIBE OF SOUTH CAROLINA) |
| VQ | CONFEDERATED SALISH AND KOOTENAI TRIBES OF THE FLATHEAD RESERVATION, MONTANA |
| VR | CONFEDERATED TRIBES OF THE COOS, LOWER UMPQUA AND SIUSLAW INDIANS OF OREGON |
| VU | CONFEDERATED TRIBES OF THE GRAND RONDE COMMUNITY OF OREGON |
| VW | CONFEDERATED TRIBES OF SILETZ INDIANS OF OREGON (PREVIOUSLY LISTED AS OF CONFEDERATED TRIBES OF THE SILETZ RESERVATION) |
| VX | CONFEDERATED TRIBES AND BANDS OF THE YAKAMA NATION, WASHINGTON |
| W1 | WILTON RANCHERIA, CALIFORNIA |
| W2 | WIYOT TRIBE, CALIFORNIA ALSO KNOWN AS THE TABLE BLUFF RESERVATION AND NUMBER 45 WIYOT TRIBE |
| W3 | NATIVE VILLAGE OF WALES, ALASKA |
| W4 | NATIVE VILLAGE OF WHITE MOUNTAIN, ALASKA |
| W5 | VILLAGE OF WAINWRIGHT, ALASKA |
| W6 | WRANGELL COOPERATIVE ASSOCIATION, ALASKA |
| WC | COQUILLE TRIBE OF OREGON |
| WD | WYANDOTTE NATION, OKLAHOMA |
| WE | WHITE EARTH BAND OF CHIPPEWA, MINNESOTA |
| WH | COW CREEK BAND OF UMPQUA INDIANS OF OREGON |
| WJ | COWLITZ INDIAN TRIBE, WASHINGTON |
| WM | DUCKWATER SHOSHONE TRIBE OF THE DUCKWATER RESERVATION NEVADA |
| WO | FOREST COUNTRY POTAWATOMI COMMUNITY, WISCONSIN |
| WP | FORT MCDERMITT PAIUTE AND SHOSHONE TRIBES OF THE FORT MCDERMITT INDIAN RESERVATION NEVADA AND OREGON |
| WQ | FORT SILL APACHE TRIBE OF OKLAHOMA |
| WR | HOULTON BAND OF MALISEET INDIANS OF MAINE |
| WT | WICHITA AND AFFILIATED TRIBES, OKLAHOMA (WICHITA, KEECHI, WACO AND TAWAKONIE) |
| WU | KICKAPOO TRADITIONAL TRIBE OF TEXAS |
| WX | KLAMATH TRIBES, OREGON |
| WZ | LAC COURTE OREILLES BAND OF LAKE SUPERIOR CHIPPEWA INDIANS OF WISCONSIN |
| X1 | TEJON INDIAN TRIBE, CALIFORNIA |
| X2 | CHOCTAW NATION OF OKLAHOMA |
| X3 | CHICKALOON NATIVE VILLAGE, ALASKA |
| X4 | CHIGNIK BAY TRIBAL COUNCIL (ALSO KNOWN AS THE NATIVE VILLAGE OF CHIGNIK), ALASKA |
| X5 | CHIGNIK LAKE VILLAGE, ALASKA |
| X6 | CHILKAT INDIAN VILLAGE (KLUKWAN), ALASKA |
| X7 | CHILKOOT INDIAN ASSOCIATION (HAINES), ALASKA |
| X8 | CHINIK ESKIMO COMMUNITY (GOLOVIN), ALASKA |
| X9 | CHULOONAWICK NATIVE VILLAGE, ALASKA |
| XC | BAD RIVER BAND OF LAKE SUPERIOR TRIBE OF CHIPPEWA INDIANS OF THE BAD RIVER RESERVATION, WISCONSIN |
| XD | CADDO NATION OF OKLAHOMA |
| XE | CHEROKEE NATION OF OKLAHOMA |
| XF | DELAWARE NATION OF OKLAHOMA (FORMERLY WESTERN DELAWARE TRIBE, OKLAHOMA (XM)) |
| XG | EASTERN SHAWNEE TRIBE OF OKLAHOMA |
| XH | MODOC TRIBE OF OKLAHOMA |
| XI | OTTAWA TRIBE OF OKLAHOMA |
| XJ | PEORIA TRIBE OF INDIANS OF OKLAHOMA |
| XK | QUAPAW TRIBE OF INDIANS OF OKLAHOMA |
| XL | UNITED KEETOOWAH BAND OF CHEROKEE INDIANS OF OKLAHOMA |
| XM | WESTERN DELAWARE TRIBE, OKLAHOMA (NOW DELAWARE NATION, OKLAHOMA (XF) |
| XO | GRAND PORTAGE BAND OF LAKE SUPERIOR CHIPPEWA |
| XP | BOIS FORTE BAND (NETT LAKE) OF CHIPPEWA MINNESOTA |
| XQ | DELAWARE TRIBE OF OKLAHOMA |
| XR | LAS VEGAS TRIBE OF PAIUTE INDIANS OF THE LAS VEGAS INDIAN COLONY, NEVADA |
| XS | LOWER SIOUX INDIAN COMMUNITY IN THE STATE OF MINNESOTA |
| XT | MASHPEE WAMPANOAG TRIBE, MASSACHUSETTS |
| XU | MINNESOTA CHIPPEWA TRIBE, MINNESOTA (SIX COMPONENT RESERVATIONS: BOIS FORTE BAND (NETT LAKE); FORD DU LAC BAND; GRAND PORTAGE BAND; LEECH LAKE BAND; LILLE LACS BAND; WHITE EARTH BAND) |
| XV | MOAPA BAND OF PAIUTE INDIANS OF THE MOAPA RIVER INDIAN RESERVATION, NEVADA |
| XW | MOHEGAN INDIAN TRIBE OF CONNECTICUT |
| XZ | PAIUTE INDIAN TRIBE OF UTAH (CEDAR BAND OF PAIUTES, KANOSH BAND OF PAIUTES, KOOSHAREM BAND OF PAIUTES, INDIAN PEAKS BAND OF PAIUTES AND SHIVWITS BAND OF PAIUTES) |
| Y1 | YUROK TRIBE OF THE YUROK RESERVATION, CALIFORNIA |
| Y2 | YAKUTAT TLINGIT TRIBE, ALASKA |
| Y3 | YUPIIT OF ANDREAFSKI, ALASKA |
| Y4 | YANKTON SIOUX TRIBE OF SOUTH DAKOTA |
| Y5 | YOCHA DEHE WINTUN NATION, CALIFORNIA (ALSO KNOWN AS THE RUMSEY INDIAN RANCHERIA OF WINTUN INDIANS OF CALIFORNIA) |
| YB | PONCA TRIBE OF NEBRASKA |
| YD | PRAIRIE ISLAND INDIAN COMMUNITY IN THE STATE OF MINNESOTA |
| YF | PUEBLO OF POJOAQUE, NEW MEXICO |
| YH | RED CLIFF BAND OF LAKE SUPERIOR CHIPPEWA INDIANS WISCONSIN |
| YI | ST CROIX CHIPPEWA INDIANS OF WISCONSIN |
| YJ | SAN JUAN SOUTHERN PAIUTE TRIBE OF ARIZONA |
| YK | SHAKOPEE MDEWAKANTON SIOUX COMMUNITY OF MINNESOTA |
| YL | SHAWNEE TRIBE, OKLAHOMA |
| YM | SHOSHOE TRIBE OF THE WIND RIVER RESERVATION, WYOMING |
| YN | SOKAOGON CHIPPEWA COMMUNITY, WISCONSIN |
| YP | STOCKBRIDGE MUNSEE COMMUNITY, WISCONSIN |
| YQ | STILLAGUAMISH TRIBE OF WASHINGTON |
| YR | THLOPTHLOCCO TRIBAL TOWN, OKLAHOMA |
| YS | UPPER SIOUX COMMUNITY, MINNESOTA |
| YV | WINNEMUCCA INDIAN COLONY OF NEVADA |
| YW | YSLETA DEL SUR PUEBLO OF TEXAS |
| YX | ZUNI TRIBE OF THE ZUNI RESERVATION, NEW MEXICO |
| YZ | NORTHWESTERN BAND SHOSHONI NATION UTAH (WASHAKIE) |
| Z1 | NATIVE VILLAGE OF CHENEGA (OR CHANEGA), ALASKA |
| Z2 | NATIVE VILLAGE OF CHIGNIK LAGOON, ALASKA |
| Z3 | NATIVE VILLAGE OF CHITINA, ALASKA |
| Z4 | NATIVE VILLAGE OF CHUATHBALUK (RUSSIAN MISSION, KUSKOKWIM), ALASKA |
| Z5 | NATIVE VILLAGE OF COUNCIL, ALASKA |
| Z6 | NATIVE VILLAGE OF KLUTI KAAH (OR COPPER CENTER), ALASKA |
| Z7 | NATIVE VILLAGE OF KOBUK, ALASKA |
| Z8 | NATIVE VILLAGE OF KONGIGANAK, ALASKA |
| Z9 | NATIVE VILLAGE OF KOTZEBUE, ALASKA |
| ZE | KIALEGEE TRIBE OF TOWN OKLAHOMA |