The USPS Flatrate Envelope Rate

[Updated 7/2014]  The USPS flatrate envelope rate for 2014 is $5.60 , providing Priority Mail service from and to any US postal address.  (The rate is just $5.05 if you buy postage through the USPS Click n Ship web service.)

Priority Mail is a USPS service that delivers most mail in up to 3 business days, and within 2 business days in most cases.  Any US postal address means any address with a US Zip Code.

This rate is good for mail using a special envelope from the United States Post Office, marked “Flat Rate Mailing Envelope.” USPS Flat Rate EnvelopeActually, the USPS offers six styles of special Flat Rate Envelopes to choose from — the padded envelope and legal envelope do cost extra to mail.

  • regular (paperboard) flat rate envelope (12-1/2″ x 9-1/2″)  [*]
  • padded flat rate envelope (12-1/2″ x 9-1/2″) [$5.95]
  • legal size flat rate envelope (15″ x 9-1/2″) [$5.75]
  • giftcard flat rate envelope (10″ x 7″)
  • small flat rate envelope (10″ x 6″)
  • window flat rate envelope (10″ x 5″)

Also included with this Priority Mail service is:  free pickup, free mail forwarding, if the recipient has an active forwarding address;  and free returned mail, if the mail can’t be delivered and you have provided a Return Address. Other optional services can be added to your Priority Mail package for an extra charge.  These services include: Delivery Confirmation, Signature Confirmation and Insurance.  Details are at .

Go International

*For $20.55, you can also use the regular 15″ x 9-1/2″ flatrate envelope for International Priority Mail from a US address to Canada or Mexico, for mailing up to 4 lbs .  For other countries, the rate is  $24.75.  Source: USPS Postal Store

Where to Find USPS Flatrate Envelopes

Envelopes are available from many US Post Office Locations, or you can order them online at the USPS Postal Store   .    Did we mention they’re available at no extra charge?

Go Priority Mail Flat Rate

The Flat Rate Envelope is a great way to ship anywhere in the US at one reasonable rate, and in a reasonable time.  Be sure to double check with your postmaster as rates and rules do change from time to time. And when you have a moment, check out how to promote your organization with our magnet mailers at .


About postcardmagnets the USPS Postcard Blog

We print and mail Postcard Magnets. That's a large, laminated postcard and a magnet attached. They're used in mailing campaigns to promote a message or website. They're useful for businesses, non-profits, government groups, alumni associations and for political advertising. Our website is at (please be sure to visit...) [Sorry, we're not an official USPS website -- better to check with them on any updated rates and rules...] View all posts by postcardmagnets the USPS Postcard Blog

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