Call USPS ® Customer Service at 1-800-ASK-USPS (1-80).

APO/FPO inquiries: DPO inquiries: Ask your local Post Office ™ location.

Look up a ZIP Code ™ in the APO/FPO/DPO Restrictions Tool.

Check out International Shipping Prohibitions and Restrictions.

Helpful Linksįind additional information using the resources for military mail and country regulations. Starting Auganyone sending a package with an APO, FPO, or MPO Zip Code ™ in the return address will need to create a customs form online, or fill out PS Form 2976-R before visiting a retail counter for the clerk to create the label. Starting on March 13, 2020, anyone sending a package to an international address, that has an APO, FPO, or MPO Zip Code ™ in the return address, will need to create a customs form online, or fill out PS Form 2976-R before visiting a retail counter for the clerk to create the label. Similar dimension changes also affect Priority Mail Tyvek envelopes and other boxes offered by the USPS.

Click-N-Ship will also let you know which customs forms you need. The Priority Mail Express Tyvek envelope’s length has been reduced to 15 inches from 15 1/8 inches. You often need a customs form to ship overseas.

Military Guidelines & Country RegulationsĬlick-N-Ship will alert you to some of the prohibitions and restrictions based on the 5-digit Military Post Office ZIP Code ™ you're shipping to, but you are responsible for ensuring your package complies with the laws and regulations of the U.S.

Usps medium flat rate box dimensions