USPS Customer Service
USPS phone numbers to use for contacting Customer Service
Have an issue with a letter or parcel sent by the U.S. Postal Service?
Use these phone numbers below to connect with a USPS Customer Service agent:
General USPS Customer Service
1‑800‑ASK‑USPS® (1‑800‑275‑8777)
Hours: Monday through Friday 8:00 am to 8:30 pm ET
Saturday 8:00 am to 6:00 pm ET
When to call?
General USPS questions regarding mail class delivery options, pricing and available special services.
USPS Package Tracking Support – Domestic & International
Hours: Monday through Friday 8:00 am to 8:30 pm ET
Saturday 8:00 am to 6:00 pm ET
When to call?
If there is a delivery delay with your USPS parcel and the USPS.com site has not been updated recently, contact the USPS Package Tracking team.
Important Note: USPS.com is the best place to find delivery status of your package. Customer Service agents do not have access to any additional tracking info.
Free USPS Shipping Supplies
Hours: Monday through Friday 7:00 am to 11:00 pm ET
Saturday 7:00 am to 6:00 pm ET
When to call?
Call to order free shipping boxes, envelopes, and postal forms, or to report a problem with your shipping supply order.
USPS.com Technical Support
Hours: Monday through Friday 8:00 am to 8:30 pm ET
Saturday 8:00 am to 6:00 pm ET
When to call?
If you have trouble using a web application (Click-N-Ship, File a Claim, PO Boxes, The Postal Store (store.usps.com) or USPS® accounts), please contact the USPS Technical Support team.
Postal Store Orders
1-800-Stamp24 (1‑800‑782‑6724)
Hours: Monday through Friday 8:00 am to 8:00 pm ET
Saturday 8:00 am to 6:00 pm ET
When to call?
Help with questions about orders placed online through The Postal Store (store.usps.com).
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