Buy Postage Stamps in Castro Valley, CA

Post Offices and USPS-authorized retailers where postage stamps are sold in Castro Valley, CA.

All the locations below sell USPS postage stamps which can be used to mail First Class letters in the United States. We list both official post offices run by the United States Postal Service and retailers which have been authorized by USPS to sell postal products in Castro Valley.

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Post Offices & Mailboxes in California

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Post Office Name City/State Address Phone Number Action
Castro Valley Post Office CASTRO VALLEY, CA 94546 20283 Santa Maria Ave 5105810159 View Details Get Directions
Cvs CASTRO VALLEY, CA 94546 3667 Castro Valley Blvd -- Get Directions
Safeway CASTRO VALLEY, CA 94546 20629 Redwood Rd -- Get Directions
Safeway CASTRO VALLEY, CA 94552 4015 E Castro Valley Blvd -- Get Directions

Mailbox in nearby cities

City No. of Mailboxes UPS Mailboxes
SAN LEANDRO, CA 77 18
HAYWARD, CA 65 13
SAN RAMON, CA 59 10
ALAMEDA, CA 55 15
DANVILLE, CA 32 7
UNION CITY, CA 25 4
DUBLIN, CA 16 5
MORAGA, CA 14 4
SAN LORENZO, CA 13 1
ALAMO, CA 9 3

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