How do I speak to someone at USPS customer service?

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What are the Hours of Operation? Self-service options are available 24/7 by calling 1-800-ASK-USPS (1-800-275-8777):

Does USPS customer service work on weekends?

Monday through Friday from 8:00 a.m. to 8:00 p.m. Eastern Time (7:00 a.m. to 7:00 p.m. Central Time) Saturdays: Closed.

You can also file a claim for the lost/delayed mail. Or call the U.S. Postal Service Domestic & International Tracking department at (800) 222-1811.

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