First-Class Mail® International Prices
Send virtually anywhere at a reasonable price.
- The most economical way to send letters, large envelopes, small packages, postcards, printed matter, and small packets 4 pounds and under, worldwide.
- Prices based on weight and destination.
First-Class Mail International Postcards
$0.72 to Canada and Mexico, $0.94 to all other countries
- $0.20 per piece surcharge for nonmachinable letters.
- Up to 3.5 ounces.
- Up to 64 ounces.
- At least 6-1/8 inches high X 11-1/2 inches long X .25 inch thick
- No more than 12 inches high X 15 inches long X 3/4 inch thick
- Up to 64 ounces.
- No more than 24 inches long.
- No more than 36 inches in combined length, height, and depth.
Learn more about First-Class Mail International