First-Class Mail International
Affordable International Service
Our most affordable international service for postcards, letters, and flats to more than 180 countries. You can also use our Global Forever® stamp to mail postcards or 1 oz letters anywhere in the world.
Buy StampsFeatures
- Our most affordable international service
- Can be used for postcards, letters, and large envelopes
- Eligible for flats up to 4 lbs and up to $400 in value
- Global Forever stamp available
- Delivery varies by destination
Pricing
The price for First-Class Mail International® varies based on destination. If a mailpiece exceeds the maximum length, height, or thickness of one rate, it will be charged at the next higher rate. Large envelopes that exceed maximum dimensions will be charged package rates. Calculate expected shipping costs for international shipments using the International Price Calculator.
Calculate a PriceAdditional Pricing Information
See Pricing FilesRestrictions
All postcards, envelopes, and flats must be rectangular. Additional size restrictions apply depending on the type of mailpiece you’re sending.
Weight and Size Restrictions
Send anything up to 4 lbs and up to $400 in value.
Some countries have lower weight restrictions.
View Country-Specific Restrictions
There are restrictions for mailing restricted, prohibited, and hazardous materials, including cigarettes and smokeless tobacco.
See All Restrictions
Customs Forms
Print your international postage with Click-N-Ship® and our tool creates the customs form for you.
Print a Label
If you just need a customs form, use our online tool to fill out the correct form.
You can also order forms from The Postal Store®.