| code | state | category |
|---|---|---|
| AL | Alabama | state |
| AK | Alaska | state |
| AZ | Arizona | state |
| AR | Arkansas | state |
| CA | California | state |
| CO | Colorado | state |
| CT | Connecticut | state |
| DE | Delaware | state |
| FL | Florida | state |
| GA | Georgia | state |
| HI | Hawaii | state |
| ID | Idaho | state |
| IL | Illinois | state |
| IN | Indiana | state |
| IA | Iowa | state |
| KS | Kansas | state |
| KY | Kentucky | state |
| LA | Louisiana | state |
| ME | Maine | state |
| MD | Maryland | state |
| MA | Massachusetts | state |
| MI | Michigan | state |
| MN | Minnesota | state |
| MS | Mississippi | state |
| MO | Missouri | state |
| MT | Montana | state |
| NE | Nebraska | state |
| NV | Nevada | state |
| NH | New Hampshire | state |
| NJ | New Jersey | state |
| NM | New Mexico | state |
| NY | New York | state |
| NC | North Carolina | state |
| ND | North Dakota | state |
| OH | Ohio | state |
| OK | Oklahoma | state |
| OR | Oregon | state |
| PA | Pennsylvania | state |
| RI | Rhode Island | state |
| SC | South Carolina | state |
| SD | South Dakota | state |
| TN | Tennessee | state |
| TX | Texas | state |
| UT | Utah | state |
| VT | Vermont | state |
| VA | Virginia | state |
| WA | Washington | state |
| WV | West Virginia | state |
| WI | Wisconsin | state |
| WY | Wyoming | state |
| DC | District of Columbia | district |
| AS | American Samoa | outlying territory |
| GU | Guam | outlying territory |
| MP | Northern Mariana Islands | outlying territory |
| PR | Puerto Rico | outlying territory |
| UM | United States Minor Outlying Islands | outlying territory |
| VI | Virgin Islands US | outlying territory |