Shipping carriers (like USPS or FedEx) require specific address formats for packages going to United States territories (like Puerto Rico). You’ll need customs declarations in many cases, even though these can be considered domestic shipments.
Topics
- List of U.S. Possessions, Territories, and Freely Associated States considered domestic
- Address format via USPS
- Address format via FedEx and UPS
List of U.S. Possessions, Territories, and Freely Associated States that are considered domestic
From this USPS support article.
American Samoa (AS)
- Manua Island
- Swain’s Island
- Tutuila Island
Guam (GU)
Commonwealth of Northern Mariana Islands (MP)
- Rota Island
- Saipan Island
- Tinian Island
Commonwealth of Puerto Rico (PR)
U.S. Virgin Islands (VI)
- Saint Croix Island
- Saint John Island
- Saint Thomas Island
Wake Island Atoll
- Wake Island
Address format via USPS
USPS requires a two-character abbreviation for the state/region and US for the country.
Here’s an example of how a Puerto Rican address should appear when shipping via USPS:

Address format via FedEx and UPS
FedEx and UPS require a two-character abbreviation for the state/region and the territory’s state code for the country. See the state codes above.
Here’s an example of how a Puerto Rican address should appear when shipping via FedEx or UPS.
