USPS Customer Service

USPS Customer Service

1-

800-275-8777

USPS Contact Information

USPS Phone Numbers

Customer Service: 1-800-275-8777

USPS Hours

Monday - Friday 8 am - 8:30 pm  
Saturday 8 am - 6 pm  

USPS Address

475 L'Enfant Plaza SW
Washington, DC 20260-2200

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