FREEGet USPS® Postal Rates & Calculator.

  • Use the USPS® Postal Rate Calculator.
  • Get USPS® Flat Rates & Cost of Stamps.
  • Use Post Office Locator & Get Postal Zip Codes.
  • Find USPS® Priority Mail Service Info & Rates.
  • Get Domestic & International Shipping Costs.

Inbox Toolbar

We regret to inform you that the Inbox Toolbar has been discontinued and is no longer supported. You may continue to use the Inbox Toolbar, but if you have any issues, we recommend that you uninstall it using the instructions included below.
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USPS Postal Service®

Get details on postal delivery, 1st class postage, post by weight and United States Post Offices®. Get prices for flat rate boxes, stamps and international shipping.

Current Postage Rates

Find out about the postage increase 2011 and how the post rates changed. Get current postage rates and calculate exact costs using the USPS® Calculator.

USA Postage

Get postal rates for letters, parcel service rates, postcard postal rates and compare flat rate boxes to post by weight prices. Get domestic and international postage & delivery costs.

Get Postage Info

With the free Calculator Toolbar, you get all your USPS®, Zip Code, post office, postal service & postage info right on your browser, ready for instant postage calculations - Get it now!