Contact Us

Find the best way to get help and connect with USPS®. Fill out a short form or get tips to fix some of the most common issues right from your computer.

If you still need more help, see the contact information for technical support, Postal Store orders, and more.

Mail: info@uspstranssport.com

Phone: +1(209)208-6540

Email Us

Use our online form to answer a few questions about your issue. Please provide as much detail as you can.

Find a Post Office

Find the nearest USPS location by city and state or ZIP Code™. Get contact information, hours, and more.

Check Postal Holidays

Postal facilities are closed on federal holidays. See a list of all upcoming USPS holidays and events.

Contact USPS

General Information

For general information, how-to steps, or to learn more about USPS products and services, check our FAQs. The most common questions have to do with tracking packages or delayed delivery.

Frequently Asked Questions

  • USPS Tracking® – The Basics
  • Tracking Status Notifications
  • Missing Mail – The Basics

Email Customer Service

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-***-****

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-***-****

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-***-****
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

Free Shipping Supplies

1-800-***-****
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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