Please refer to the table below if you need to contact USPS customer service. If you cannot contact USPS for support, TrackingMore is always there to resolve your tracking issues on time.
Contact method
Information
Hours of Operation
Phone
1-800-275-8777
Monday - Friday: 8 a.m. to 8:30 p.m. ET
Saturday: 8 a.m. to 6 p.m. ET
Email
USPS Customer Service