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Mail Services: International Mail

Learn about address standards for international mail, international mail country codes, how to complete customs forms and send packages and mail.

In the right place? If your shipment weighs over 30 pounds, contains hazardous material, or contains items other than documents bound for a foreign destination, UCSD Shipping must process it. Students, see Student Mail Services.

How to send international mail

  • International mail country codes: You may need an international country code for your international mailings or various forms. See a list of countries and their codes on this page.
  • How to send USPS international mail: Find out how to send U.S. Postal Service (USPS) international mail through UCSD Mail Services and recharge the cost to your department index.