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Priority Mail

Priority Mail offers 1–3 day service to most domestic destinations. Items must weigh 70 lbs or less and measure 108 in. or less in combined length and girth. Prices are Post Office (retail and online) rates.

Priority Mail Prices

Service Price
Priority Mail (Up to 1 lbs) 6.45
Flat Rate Envelope 6.45
Flat Rate Legal Envelope 6.45
Flat Rate Padded Envelope 6.80
Small Flat Rate Box 6.80
Medium Flat Rate Box 13.45
Large Flat Rate Box 18.75
For other Priority Mail options, see postmaster.
Zone Chart Program (http://postcalc.usps.gov/Zonecharts/) provides a 1-page zone chart for your origin ZIP Code.

Priority Mail Flat-Rate Envelope

$6.45 paid online, regardless of weight or destination, for matter sent in a flat-rate envelope provided by the Postal Service.


U.S. Postal Rates and Fees