Postoffice Com -

How to Send a Letter or Postcard: Domestic - USPS

: A private service that allows you to send physical mail online. They handle the printing (B&W or color) and mailing via First Class, Certified, or Priority Mail. postoffice com

The official website for the United States Postal Service is USPS.com . While "postoffice.com" exists, it is a private company with the government or the official USPS. How to Send a Letter or Postcard: Domestic