Buy Postcard Stamps May 2026

A single First-Class domestic postcard stamp is $0.61 .

To qualify for the $0.61 rate, your card must be a minimum of 3.5" x 5", a maximum of 4.25" x 6", and between 0.007" and 0.016" thick. buy postcard stamps

If your postcard is larger than 4.25" x 6", it is automatically classified as a letter and will cost the standard letter rate ($0.78). A single First-Class domestic postcard stamp is $0

The current price for a standard domestic . a maximum of 4.25" x 6"