How to Send a Letter or Postcard: Domestic - USPS.com
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.
Addressing Your Mail - Postal Explorer
Envelopes. Letters, bills, greeting cards, and other documents can be sent in standard white, manila, or recycled paper envelopes. Items needing extra protection can be sent in bubble-lined, padded paper, or waterproof envelopes.
214 Attention Line - Postal Explorer
261 Format; 262 ZIP Code or ZIP+4; 27 United States Postal Service Addresses . 271 Format; 272 ZIP Code or ZIP+4; 28 Post Office Box Addresses . 281 Format; 282 Leading Zero; 283 Designations; 284 PO Box Street Addressing; 285 Private Mailbox Addresses; 29 Puerto Rico Addresses . 291 Format; 292 Urbanization; 293 Common Translations; 294 ...
How to Send a Letter or Postcard: International | USPS
Letter envelopes for international mail can be 11-1/2" long x 6-1/8" high. (A standard No. 10 envelope is 9-1/2" long x 4-1/8" high.) You can fold what you put in your envelope, but it needs to stay flat—no more than 1/4" thick.
USPS.com FAQs
Learn the best tips for addressing mail on USPS.com FAQs.
Sizes for Letters - Postal Explorer
Sizes for Letters. You probably have a picture in your mind of what a "letter" is. Possibly you're using a standard No. 10 envelope for your letter, so that's easy to picture.
The United States Postal Service(R) Presents: How to Mail a Letter …
The United States Postal Service(R) Presents: How to Mail a Letter or Postcard Anywhere in the U.S. Step 1: Choose your envelope or postcard After showing simplified examples of an envelope and postcard, we see a written message being placed and sealed in an envelope.
Priority Mail Express® Flat Rate Envelope | USPS.com
The Priority Mail Express Flat Rate® Envelope offers our fastest service for time-sensitive letters, documents or merchandise. Guaranteed next-day and second-day delivery nationwide or your money back.
Envelopes | USPS.com
How to Send a Letter Internationally; How to Send a Package Internationally; International Shipping Restrictions; Shipping Internationally Online; ... Priority Mail® Forever Prepaid Flat Rate Envelope. Includes Customer's Return Address. 12-1/2"(L) x 9-1/2"(H) $10.10 Priority Mail Express® Flat Rate Envelope.
Delivery Address - Postal Explorer
The delivery address is the most important information on your mailpiece. Use the following format for your delivery addresses: