The following list provides the proper format for abbreviating states and territories:
| AL | Alabama | MO | Missouri |
| AK | Alaska | MT | Montana |
| AZ | Arizona | NE | Nebraska |
| AR | Arkansas | NV | Nevada |
| AS | American Samoa | NH | New Hampshire |
| CA | California | NJ | New Jersey |
| CO | Colorado | NM | New Mexico |
| CT | Connecticut | NY | New York |
| DE | Deleware | NC | North Carolina |
| DC | District of Columbia | ND | North Dakota |
| FL | Florida | CM | N. Marian Isl. |
| GA | Georgia | OH | Ohio |
| GU | Guam | OK | Oklahoma |
| HI | Hawaii | OR | Oregon |
| ID | Idaho | TT | Palau |
| IL | Illinois | PA | Pennsylvania |
| IN | Indiana | PR | Puerto Rico |
| IA | Iowa | RI | Rhode Island |
| KS | Kansas | SC | South Carolina |
| KY | Kentucky | SD | South Dakota |
| LA | Louisiana | TN | Tennessee |
| ME | Maine | TX | Texas |
| TT | Marshall Island | UT | Utah |
| MD | Maryland | VT | Vermont |
| MA | Massachusetts | VA | Virginia |
| MX | Mexico | VI | Virgin Islands |
| MI | Michigan | WA | Washington |
| TT | Micronesia | WV | West Virginia |
| MS | Mississippi | WI | Wisconsin |