The region code consists of three digits, the first indicating the flyway and the last two indicating the specific area (state, province, or country). It is possible to select data from the files on the basis of flyway and/or specific area. Note that boundaries used for banding data are not the same as for hunting regulations in Colorado, Montana, and Wyoming.
| REGION | REGION | ABBREVIATION |
| NAME | CODE | |
| Africa | 001* | AFR |
| Alabama | 202 | AL |
| Alaska | 503 | AK |
| Alberta | 604 | AB |
| Antarctica | 099 | ANT |
| Argentina | 805 | ARG |
| Arizona | 406 | AZ |
| Arkansas | 207 | AR |
| Asia | 008 | ASIA |
| At Sea | 094 | |
| Pacific Ocean | 094 | POC |
| Atlantic Ocean | 094 | AOC |
| Australia | 096 | ASTL |
| Bahama Islands | 909 | BHI |
| Belize | 712 | BELZ |
| Bermuda | 197 | BRMD |
| Brazil | 810 | BRAZ |
| British Columbia | 611 | BC |
| Bolivia | 813 | BOL |
| California | 414 | CA |
| Chile | 815 | CHLE |
| Colombia | 816 | COL |
| Colorado | 317 | CO |
| Connecticut | 118 | CT |
| Costa Rica | 719 | CR |
| Cuba | 920 | CUBA |
| Delaware | 121 | DE |
| District of Columbia | 122 | DC |
| Dominican Republic | 931 | DRP |
| Ecuador | 823 | ECUA |
| El Salvador | 778 | ELSA |
| Europe | 024 | EUR |
| Florida | 125 | FL |
| (Franklin District, NWT)** | (626) | (NT) |
| French Guiana | 830 | FRGU |
| Georgia | 127 | GA |
| Ghana | 001 | GHNA |
| Greenland | 028 | GRLD |
| Guatemala | 729 | GUAT |
| Guyana | 830 | GUAY |
| Haiti | 931 | HATI |
| Hawaii | 096 | HI |
| Honduras | 732 | HOND |
| Idaho | 433 | ID |
| Illinois | 234 | IL |
| Indiana | 235 | IN |
| Iowa | 236 | IA |
| Jamaica | 937 | JMCA |
| Japan | 008 | JPN |
| Kansas | 338 | KS |
| (Keewatin District, NWT) discontinued** | (695) | (NT) |
| Kentucky | 239 | KY |
| Labrador | 657 | LAB*** |
| Lesser Antilles | 941 | LANT |
| British West Indies | 941 | BWI |
| West Indies | 941 | WI |
| French West Indies | 941 | FWI |
| Trinidad and Tobago | 941 | TRIN |
| Virgin Islands | 941 | VI |
| Louisiana | 242 | LA |
| (Mackenzie District, NWT) discontinued** | (643) | (NT) |
| Maine | 144 | ME |
| Manitoba | 645 | MAN |
| Maryland | 146 | MD |
| Massachusetts | 147 | MA |
| Mexico | 748 | MEX |
| Michigan | 249 | MI |
| Minnesota | 250 | MN |
| Mississippi | 251 | MS |
| Missouri | 252 | MO |
| Montana | 353 | MT |
| Nebraska | 354 | NE |
| Nevada | 455 | NV |
| New Brunswick | 656 | NB |
| New Hampshire | 158 | NH |
| New Jersey | 159 | NJ |
| New Mexico | 360 | NM |
| New York | 161 | NY |
| New Zealand | 096 | P IS |
| Newfoundland | 657 | NF*** |
| Nicaragua | 762 | NICA |
| North Carolina | 163 | NC |
| North Dakota | 364 | ND |
| Northwest Territories** | 643 | NT |
| (Franklin District) discontinued** | (626) | NT |
| (Keewatin District) discontinued** | (695) | NT |
| (Mackenzie District), now NT ** | 643 | NT |
| Nunavut** | 640 | NT |
| Nova Scotia | 665 | NS |
| Oceania | ||
| Midway Island | 096 | P IS |
| New Zealand | 096 | P IS |
| Philippine Islands | 096 | P I |
| Ohio | 266 | OH |
| Oklahoma | 367 | OK |
| Ontario | 668 | ONT |
| Oregon | 469 | OR |
| Panama | 770 | PAN |
| Paraguay | 871 | PARA |
| Pennsylvania | 172 | PA |
| Peru | 873 | PERU |
| Philippine Islands | 096 | P I |
| Prince Edward Island | 675 | PE |
| Puerto Rico | 974 | PR |
| Quebec | 676 | PQ |
| Rhode Island | 177 | RI |
| Russia | 098 | USSR |
| Saskatchewan | 679 | SK |
| South Africa | 001 | SAFR |
| South Carolina | 180 | SC |
| South Dakota | 381 | SD |
| St. Pierre et Miquelon | 657 | STPM |
| Surinam | 830 | SUR |
| Tennessee | 282 | TN |
| Texas | 383 | TX |
| Unknown | 000 | |
| Uruguay | 884 | URU |
| Utah | 485 | UT |
| Venezuela | 886 | VZLA |
| Vermont | 187 | VT |
| Virginia | 188 | VA |
| Washington | 489 | WA |
| West Virginia | 190 | WV |
| Wisconsin | 291 | WI |
| Wyoming | 392 | WY |
| Yukon Territory | 693 | YT |
* First digit is the Flyway, last two are the State Code.
** The Northwest Territories formerly were divided into Franklin (626), Keewatin (695), and Mackenzie (643) Districts.
With the creation of the new Territory of Nunavut (640) the BBL has discontinued
the use of the old districts and is using solely Northwest Territories (643) and Nunavut
(640). Band Manager and historical records have been updated.
*** A future change will correct NF to NL, Newfoundland and Labrador.
