Express Mail

Express Mail is the fastest service, with guaranteed next day delivery to most destinations. Express Mail is delivered 365 days a year—with no extra charge for Saturday. A $12.50 surcharge is levied for Sunday or holiday delivery. Items must weigh 70 lbs or less and measure 108 in. or less in combined length and girth.

Customer Service: 1-800-275-8777. Order Express Mail supplies and labels, arrange pickup service, obtain delivery information between ZIP Codes, and determine delivery status.

Post Office to Addressee Service (Express Mail - Retail)

Legal Envelope19.99
Padded Envelope19.99
Other options, see postmaster

Express Mail Flat-Rate Envelope

$19.99, regardless of weight or destination, for matter sent in a flat-rate envelope provided by the Postal Service.

U.S. Postal Rates and Fees