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United States Postal Service | United States Postal Service

475 L Enfant Plaza SW, Washington, DC 20260-0004

No restrictions
Mon-Fri 8am-8:30pm, Sat 8am-6pm Eastern Time customer service by phone 24-hours website
800-275-8777

Voice - Toll-Free: 800-ASK-USPS

https://www.usps.com

Call, visit local post office, or visit website

Vary

AZ

Description

Provides mail delivery service locally, nationally, and internationally. Information on locations, hours, services, and answers to frequently asked questions are available by phone and online. Also investigates postal fraud and mail theft. Offers free notification service of mail which is scheduled to arrive soon through the Informed Delivery Daily program. Those who sign up receive emails that allow them to digitally preview letters and packages.

Last Assured

10/01/2025

Providing organization

United States Postal Service

Provides mail delivery service locally, nationally, and internationally. Information on locations, hours, services, and answers to frequently asked questions are available by phone and online. Also investigates postal fraud and mail theft. Offers free notification service of mail which is scheduled to arrive soon through the Informed Delivery Daily program. Those who sign up receive emails that allow them to digitally preview letters and packages.