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.

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 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.

Change of Address (COA) is a request to tell the United States Postal Service (USPS) to reroute your mail (including letters and packages) for ALL/OR SELECTED individuals at the specified address.

You can enhance the service, security, and convenience of First-Class Mail by adding extra services such as Registered Mail and Certified Mail. These services are available for a small fee.

Learn how to ship a package with USPS, from choosing the right mail service, packing your box, writing the address, calculating postage, and scheduling a pickup.

First-Class Package International Service (FCPIS) is an economical way to send lightweight packages to about 180 countries. Packages can weigh up to 4 lbs (64 oz) and contain goods up to $400 in value.

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 delivery …

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Track your USPS package or mail by entering the tracking number to view its status and manage shipments with Informed Delivery.