Postage Stamps Needed: Mailing a Letter from US to Mexico

To send a standard letter (up to 1 oz) from the U.S. to Mexico, you need 1 Global Forever® Stamp (current value $1.65 as of 2024).

First-Class Mail International Rates (Flats/Letters to Canada/Mexico)

Note: Rates adjust annually (typically January). "Forever" stamps retain value. For items over 3.5 oz (letter rate) or rigid/non-machinable, flat/parcel rates apply. Always verify current rates at USPS.com.