US Post Office in San Marcos, California

Popularity:#2 of 2 Post Offices in San Marcos#101 of 106 Post Offices in San Diego County#1,439 of 1,645 Post Offices in California#25,818 in Post Offices

US Post Office Contact Information

Address, Phone Number, and Hours for US Post Office, a Post Office, at North Twin Oaks Valley Road, San Marcos CA.

US Post Office
420 North Twin Oaks Valley Road
San Marcos, California, 92069
Monday 09:00 AM - 05:00 PM, Tuesday 09:00 AM - 05:00 PM, Wednesday 09:00 AM - 05:00 PM, Thursday 09:00 AM - 05:00 PM, Friday 09:00 AM - 05:00 PM, Saturday 10:00 AM - 04:00 PM, Sunday Closed

Map of US Post Office in San Marcos, California

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Post Offices Nearby

Find 6 Post Offices within 6.2 miles of US Post Office.

External Links

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About the US Post Office

The US Post Office, located in San Marcos, CA, is a branch location of the United States Postal Service (USPS) that serves the San Marcos community. The customer service postal facility offers mail and package delivery services, P.O. box services, and passport services. The USPS operates as an independent agency within the federal government, supported entirely by revenues generated through its operations.

You may contact the Post Office for questions about:
  • San Marcos Post Office hours and locations
  • PO Box services in San Marcos
  • Mail and package delivery services
  • Postage rates
  • Passport services
  • San Diego County Post Office jobs and employment