USPS Customer Service Phone Number
1 (800) 275-8777
Email: USPS® Customer Service
Call: 1-800-ASK-USPS® (1-800-275-8777)Hours of Operation
Monday – Friday 8 AM – 8:30 PM ET
Saturday 8 AM – 6 PM ET
Federal Relay Services – TTY Access for Deaf & Hard of Hearing
Individuals who are deaf, hard of hearing, deaf-blind, or have speech impairments can communicate with USPS by using the Federal Relay’s TTY services. Connect with the Federal Relay using the following toll-free numbers:
- 1-800-877-8339 – TTY/ASCII for persons with hearing and speech impairments
- 1-800-845-6136 – for persons with hearing and speech impairments who wish to speak only in Spanish
- 1-866-377-8642 – for hearing persons with speech impairments
Technical Support
The Technical Support team can help when a website application or form doesn’t work properly. If you have trouble using one of the following, please give us a call.
- Click-N-Ship®
- File a Claim
- PO Boxes
- The Postal Store®
- USPS accounts
1-800-344-7779
Hours of Operation
Monday – Friday 8 AM – 8:30 PM ET
Saturday 8 AM – 6 PM ET
Informed Delivery Support
If you need help with your Informed Delivery service, please email Informed Delivery User Support.
Domestic & International USPS Tracking
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®. If you’d like to speak with a representative about another issue with your package, please call us.
1-800-222-1811
Hours of Operation
Monday – Friday 8 AM – 8:30 PM ET
Saturday 8 AM – 6 PM ET
Stamps & Free Shipping Supplies
To get help with stamps or other USPS merchandise, please see the following resources:
Stamps & Postal Store Orders
1-844-737-7826
Call with questions about stamps or orders placed online through The Postal Store®.
Hours of Operation
Monday – Friday 8 AM – 8 PM ET
Saturday 8 AM – 6 PM ET
Closed Sundays and Postal Holidays
Free Shipping Supplies
1-800-610-8734
Call to order free shipping boxes, envelopes, and postal forms, or to report a problem with your shipping supply order.
Hours of Operation
Monday – Friday 7 AM – 11 PM ET
Saturday 7 AM – 6 PM ET
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