Links and Info
| State/Possession | Abbreviation | State/Possession | Abbreviation |
| ALABAMA | AL | MONTANA | MT |
| ALASKA | AK | NEBRASKA | NE |
| AMERICAN SAMOA | AS | NEVADA | NV |
| ARIZONA | AZ | NEW HAMPSHIRE | NH |
| ARKANSAS | AR | NEW JERSEY | NJ |
| CALIFORNIA | CA | NEW MEXICO | NM |
| COLORADO | CO | NEW YORK | NY |
| CONNECTICUT | CT | NORTH CAROLINA | NC |
| DELAWARE | DE | NORTH DAKOTA | ND |
| DISTRICT OF COLUMBIA | DC | NORTHERN MARIANA ISLANDS | MP |
| FEDERATED STATES OF MICRONESIA | FM | OHIO | OH |
| FLORIDA | FL | OKLAHOMA | OK |
| GEORGIA | GA | OREGON | OR |
| GUAM | GU | PALAU | PW |
| HAWAII | HI | PENNSYLVANIA | PA |
| IDAHO | ID | PUERTO RICO | PR |
| ILLINOIS | IL | RHODE ISLAND | RI |
| INDIANA | IN | SOUTH CAROLINA | SC |
| IOWA | IA | SOUTH DAKOTA | SD |
| KANSAS | KS | TENNESSEE | TN |
| KENTUCKY | KY | TEXAS | TX |
| LOUISIANA | LA | UTAH | UT |
| MAINE | ME | VERMONT | VT |
| MARSHALL ISLANDS | MH | VIRGIN ISLANDS | VI |
| MARYLAND | MD | VIRGINIA | VA |
| MASSACHUSETTS | MA | WASHINGTON | WA |
| MICHIGAN | MI | WEST VIRGINIA | WV |
| MINNESOTA | MN | WISCONSIN | WI |
| MISSISSIPPI | MS | WYOMING | WY |
| MISSOURI | MO |
| Military “State” | Abbreviation |
| Armed Forces Africa | AE |
| Armed Forces Americas (except Canada) | AA |
| Armed Forces Canada | AE |
| Armed Forces Europe | AE |
| Armed Forces Middle East | AE |
| Armed Forces Pacific | AP |
The USPS recommends the address be written in block capital letters for better processing by their OCR machinery. They prefer standard abbreviations for common terms in street addresses.
AVE = avenue
BLVD = boulevard
CIR = circle
CT = court
EXPY = expressway
LN = lane
PKWY = parkway
RD = road
ST = street
WY = way
APT = apartment
CTR = center
NO = number
STE = suite
E = east
N = north
S = south
W = west