USPS Customer Service

United States Postal Service

Headquarters: Washington, D.C., US

Track : 

https://www.usps.com/

Domestic General Information

Call 1-800-ASK-USPS® (1-800-275-8777)
For Federal Relay (TDD/TTY), please call: 1-800-877-8339
Monday - Friday 8 AM - 8:30 PM ET
Saturday 8 AM - 6 PM ET

Domestic & International USPS Tracking™

1-800-222-1811
Monday - Friday 8 AM - 8:30 PM ET
Saturday 8 AM - 6 PM ET

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Stamps

1-800-Stamp24 (1-800-782-6724)
Monday - Friday 8 AM - 8:30 PM ET
Saturday 8 AM - 6 PM ET

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Technical Support

1-800-344-7779
Monday - Friday 8 AM - 8:30 PM ET
Saturday 8 AM - 6 PM ET

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Free Shipping Supplies

1-800-610-8734
Monday - Friday 7 AM - 11 PM ET
Saturday 7 AM - 6 PM ET

Other Customer Care Numbers -