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 - Domestic & International

1‑800‑222‑1811

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

1‑800‑610‑8734

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

1‑800‑344‑7779

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).


Digital Scale Included* with Sign-up

Every new customer account starts with:

  • Free 5 lb. Digital Scale*, connects via USB
  • 4-week trial
  • $5 in USPS postage to use in trial period
  • Free Supplies Kit including postage labels
  • Additional $10 postage coupons to use after trial
  • Only $17.99 per month plus applicable taxes, if any, including the first month if you stay past the 4-week trial
    *pay only S&H fee