
How to Send a Letter or Postcard | USPS
USPS shows you how to send a letter or postcard in the U.S., from choosing an envelope, writing the address, buying and applying stamps, and finding a drop-off location.
Envelopes | USPS.com
Pack of 10 5-7/8" (L) x 10" (W) $0.00 Priority Mail® Forever Prepaid Flat Rate Legal Envelope Includes Customer's Return Address 15" (L) x 9-1/2" (H) $12.10
Shipping Supplies | Envelopes | Priority Mail | USPS.com
Shop our selection of Envelopes, Priority Mail Shipping Supplies on the USPS.com Postal Store
Envelopes | The Postal Store @ USPS.com
Envelopes Priority Mail® Forever Prepaid Flat Rate Legal Envelope Includes Customer's Return Address 15" (L) x 9-1/2" (H) $12.10
First-Class Mail & Postage | USPS
First-Class Mail is a fast, low-cost way to send envelopes and postcards. See First-Class Mail and Forever stamp prices for a letter and postcard.
Priority Mail Flat Rate® Envelope | USPS.com
Using the Priority Mail Flat Rate Envelope is quick and convenient. Send this envelope at a flat rate regardless of weight or destination. Order online at the Postal Store.
Mail & Shipping Services | USPS
Compare USPS shipping options like Priority Mail Express, Priority Mail, First-Class Mail, and USPS Ground Advantage to find the service that's right for you.
Envelopes | Free Shipping Supplies | The Postal Store - USPS
Domestic Return Receipt Forms Pack of 10 $0.00 Priority Mail® Forever Prepaid Flat Rate Padded Envelope Includes Customer's Return Address 12-1/2" (L) x 9-1/2" (H) $12.85
Post Office Boxes Online (POBOL) - General Information - USPS
Find tips for addressing mail properly to ensure timely and accurate delivery by USPS.
International Mail Services & Shipping Rates | USPS
Compare USPS mail services by starting retail prices, shipping time, and more. Most services automatically include USPS Tracking ®, and you can add insurance and extra services.