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.

Compare USPS shipping options like Priority Mail Express, Priority Mail, First-Class Mail, and USPS Ground Advantage to find the service that's right for you.

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.

USPS postage rates offer low-cost mailing and shipping prices for domestic & international customers. See Forever postage stamp prices and other postage rates.

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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 …

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

First-Class Package International Service is the most popular, most economical way to send packages under 4 lbs (64 oz) and worth less than $400 to over 180 countries.

Send mail and packages with USPS online shipping options. Choose your mail service by delivery speed, cost, and additional services like tracking and insurance.

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 …