USPS Headquarters Phone Number
USPS Headquarters Phone Number is, 1-800-275-8777.
USPS Customer Care Center
Connect with their customer service representatives to help resolve your issue and get back on track.
- Email: USPS® Customer Service
- Call: 1-800-ASK-USPS® (1-800-275-8777)
Hours of Operation: Monday – Friday 8 AM – 8:30 PM ET,mSaturday 8 AM – 6 PM ET
USPS 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 a call.: 1-800-344-7779
Hours of Operation
- Monday – Friday 8 AM – 8:30 PM ET
- Saturday 8 AM – 6 PM ET
USPS 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.
Hours of Operation: Monday – Friday 8 AM – 8:30 PM ET, Saturday 8 AM – 6 PM ET
USPS Stamps & Free Shipping Supplies Support
To get help with stamps or other USPS merchandise, please see the following resources:
USPS 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 – 4:30 PM ET, Closed Saturdays, Sundays, and Postal Holidays
USPS Free Shipping Supplies Support
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
USPS Claim and Payment Support
Accounting Help Desk:
- Email firstname.lastname@example.org.
- Call 1-866-974-2733. You will need to specify “Domestic” or “International”
Hours of operation are Monday – Friday, from 8:00am to 8:00pm Eastern Time (7:00am to 7:00pm Central Time).