Packages going to certain places (including Alaska, Hawaii, and offshore destinations), or containing hazardous materials or live animals may receive slower service. In most cases, the expected delivery date that is printed on your receipt or provided at checkout will reflect a delivery time of 1, 2, or 3 days based on origin, destination, and Post Office ™ acceptance time. For additional information, visit the Postage Calculator. Scheduled delivery date and time depends on origin, destination, and Post Office ™ acceptance time. See the International Mail Manual for availability and limitations of coverage. Purchased insurance replaces ordinary indemnity coverage. Not available with Flat Rate envelopes and small Flat Rate boxes or when shipping to certain destinations. For details regarding claim exclusions, see Sections 609.4.3 (Non-payable Claims), 609 (Filing Indemnity Claims for Loss or Damage), and 503.4 (Insured Mail) of the Domestic Mail Manual.

Ship from Post Office locations or from your home or business with Click-N-Ship service.

Available only with certain products and to certain domestic destinations. Priority Mail Flat Rate lets you ship packages up to 70 lbs to any state at the same price. For details on free Package Pickup, go to Schedule a Pickup.

Usps flat rate shipping costs