Mail and shipping

• How much does it cost to mail a letter in 2026?

  A Forever stamp costs 82 cents since July 12, 2026, covering a 1 oz letter anywhere in the US. Prices for extra ounces, postcards and international letters, and how many stamps you need.

• How to ship a package internationally from the US

  Pack well, fill in a customs declaration, check the destination country's prohibited items, and pick a service. Step-by-step guide to international shipping, customs forms and duties.

• Certified mail vs registered mail: which do you need?

  Certified Mail gives proof of mailing and a delivery record; Registered Mail adds a secure chain of custody and insurance up to $50,000. Differences, uses and when to add a return receipt.

• USPS vs UPS vs FedEx: which is cheapest for your package?

  USPS is usually cheapest for small, light packages; UPS and FedEx are often better for heavy or large boxes and business shipping. Compare services, speed, PO boxes and dimensional weight.

• How to address an envelope (US format with examples)

  Put the recipient address in the center, your return address top left and the stamp top right. US address format examples for apartments, PO boxes, businesses and international mail.