USPS Customer Service – Phone Number Email & Live Chat Support

USPS is one of the few government agencies, providing postal service in the United States.  If you have any question or problem with their service and want to contact USPS customer service department? There are different ways to contact USPS customer service department. You can reach out USPS via phone, email, live chat, contact form and social media.

Here you can find USPS Customer Service Phone number, Head Office Information, How to Contact USPS via Email, Business Hours and more information about USPS.

USPS Phone Number – 1-800-ASK-USPS® (1-800-275-8777)

Contact USPS by phone is the best and easy way. You can contact them via USPS toll free number. Use below contact numbers of USPS if you have any issue or problem with their services or products like a Track a Package, Missing Package, Problem With a Delivery,  Refund, File a Claim, account related query and more.

Customer service: 1-800-275-8777
TTY/ASCII: 1-800-877-8339
Domestic International USPS Tracking: 1-800-222-1811
Stamps Postal Store Orders: 1-800-Stamp24 (1-800-782-6724)
Free Shipping Supplies: 1-800-610-8734
File a Claim: 1-800-332-0317
Technical Support: 1-800-344-7779

USPS Customer Service Hours: USPS customer support is open Monday – Friday 8 AM – 8:30 PM ET, Saturday 8 AM – 6 PM ET

USPS Corporate Office

Corporate Office Address and Phone Number

USPS Corporate Head office address: 475 L’Enfant Plaza SW., Washington, DC 20260

Contact USPS Corporate Office via Phone: 202-268-2000

USPS Headquarters Executive Team

  • Louis DeJoy: Postmaster General and Chief Executive Officer
  • David E. Williams: Chief Operating Officer and Executive Vice President
  • Kristin Seaver: Chief Information Officer and Executive Vice President
  • Joseph Corbett: Chief Financial Officer and Executive Vice President
  • Luke Grossmann: Finance and Strategy Senior Vice President
  • Jacqueline Krage Strako: Chief Customer and Marketing Officer and Executive Vice President
  • Thomas Marshall: General Counsel and Executive Vice President
  • Isaac Cronkhite: Chief Human Resources Officer and Executive Vice President

Business Hours of USPS

Mon to Friday: 8:00 am – 8:30 pm
Saturday : 8:00 am – 6:00 pm
Sunday : 8:00 am – 6:00 pm

Different ways to contact USPS

Contact USPS Through Email

USPS Email can be a good way to communicate with customer service department. You can send an email to USPS at or

USPS Live Chat Support

Live chat support is one of the fastest and easy way to contact USPS. But USPS does n’t support Live chat, you can get in touch with other ways like a phone, email and social media.

Contact USPS Using Social Media

For small issues, Try using social media to contact USPS.

USPS Twitter Support
USPS Facebook Support
Instagram Support

About USPS

The United States Postal Service (USPS) providing postal service in the United States. The Post Office Department was created in 1792 with the passage of the Postal Service Act. USPS operates 30,825 post offices and locations in the U.S., and delivers 149.5 billion pieces of mail annually, as of 2017.


Also Read: American Signature Customer Service 


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