First-Class Mail is a fast, low-cost way to send envelopes and postcards. See First-Class Mail and Forever stamp prices for a letter and postcard.

First-Class Mail ® is an affordable mail service for standard-sized, single-piece envelopes weighing up to 3.5 oz and large envelopes weighing up to 13 oz. Prices start at $0.78 at a Post …

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Cost of First-Class™ Stamps Letter Stamps Standard-sized, rectangular envelopes From $0.78 Square, Oversized, or Unusual Envelopes From $1.27 Postcard Stamps Standard-sized, …

First-Class Mail postage includes forwarding and return services. You can enhance the service, security, and convenience of First-Class Mail by adding extra services such as Registered Mail …

First-Class Mail® service is the least expensive, most immediate options for mailing postcards, letters, and large envelopes (flats) to retail customers at retail pricing.

First-Class Mail is a fast, low-cost way to send envelopes and postcards. See First-Class Mail and Forever stamp prices for a letter and postcard.

Learn about the types of First-Class Mail offered by USPS, including features, benefits, and requirements for sending letters and packages.

A First-Class Mail ® Forever stamp costs $0.78 and goes in the upper right corner of the envelope. (You can also use any combination of stamps that adds up to $0.78.)

First-Class Mail International is a fast, low-cost way to ship lightweight packages and letters internationally. USPS sends mail to over 180 countries, including Canada and Australia. See …