United States Postal Service
Cardboard Box Manufacturers, Cargo Handling, Financial Services, Management Services, Post Offices, Shipping Companies
36 Chestnut Ave, South San Francisco, CA, 94080 (Show me directions) Show Map
800 275-8777 Main 650 583-4360 Alt 650 583-3485 Fax
Monday to Friday: 08:30 to 17:00 , Saturday: 08:30 to 12:00 , Sunday: Closed
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Visit your local Post Office™ at 36 Chestnut Ave to find everything you need to send mail and ship packages. Explore our other products and services like money orders, Post Office™ boxes, passports, gift cards, and more
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United States Postal Service
Verified ID: 1369886605627392
Verified 10/05/2025 @ 18:50:11
Last updated 10/05/2025 @ 18:50:14