1. First-Class Mail International-Letter

Features & Pricing

• The most affordable international service
• Can be used for postcards, letters, and large envelopes
• Eligible for flats up to 15.994 oz
• Global Forever stamp available
• Delivery varies by destination
• Eligible for delivery confirmation services such as Registered Mail^®
• Price varies based on weight and destination

Stamp Prices for Letters & Postcards

Stamps for standard-sized letters and standard-sized postcards up to 1 oz start at $1.20 for all countries. However, prices for envelopes heavier than 1 oz, oversized, or unusually shaped is based on the destination country’s price group.

Weight, Size, & Shape Requirements

• Send mailpieces up to 15.994 oz.
• All postcards and envelopes (or flats) must be rectangular, otherwise an additional charge may apply. Additional size restrictions apply depending on the type of mailpiece you’re sending.

Additional Charges for Larger Mailpieces & Envelopes

• 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.