USPS Contact Number

Here are USPS contact details:
Customer Care Center

  • Email:USPS® Customer Service
  • Call: 1-800-ASK-USPS® (1-800-275-8777)
  • TDD/TTY Relay: Call 1-800-877-8339. Ask for 1-800-275-8777

Hours of Operation

Monday – Friday 8 AM – 8:30 PM ET
Saturday 8 AM – 6 PM ET

Technical Support

1-800-344-7779
The Technical Support team can help when a website application or form doesn’t work properly. If you have trouble using these applications, please give us a call.

  • Click-N-Ship
  • File a Claim
  • PO Boxes
  • Postal Store
  • USPS Accounts

Hours of Operation

Monday – Friday 8 AM – 8:30 PM ET
Saturday 8 AM – 6 PM ET

Domestic & International USPS Tracking®.

1-800-222-1811
To see the most recent status of your packages, enter your tracking number in any search box on USPS.com.

NOTE: The tracking information available to customer service representatives is the same information you will see on USPS Tracking.

Hours of Operation

Monday – Friday 8 AM – 8:30 PM ET
Saturday 8 AM – 6 PM ET