Uploaded November 2025 | Updated September 2026, 3 weeks ago

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Sending mail with the U.S. Postal Service is simple! Learn how to mail a letter or postcard anywhere in the U.S.: We'll show you how to write the address, where to put the stamp, and where to drop it off:

See more details on How to Send a Letter or Postcard
usps.com/ship/letters.htm

Postage Calculator
postcalc.usps.com

Buy Postage Stamps Online
usps.com/stamps

How to Send a Package
usps.com/ship/packages.htm

Order Free Shipping Supplies from USPS
store.usps.com/store/results/free-shipping-supplies/shipping-supplies/_/N-alnx4jZ7d0v8v