Post Office Castro Valley Alameda, California CA - Location, Address and Hours, usps Castro Valley


Castro Valley Post Office Address

20283 Santa Maria Ave, Castro Valley, CA 94546, USA

Castro Valley Post Office Contact Numbers

Phone: 510-581-0159
Fax: 510-581-4074
TTY: 877-889-2457

+1 800-275-8777

Castro Valley Post Office Location Map

Castro Valley Post Office Hours

Retail Hours

Monday 9:00am - 5:00pm
9:00am - 5:00pm
9:00am - 5:00pm
9:00am - 5:00pm
9:00am - 5:00pm
9:00am - 1:00pm

Last Collection Times

Monday 5:00pm
Tuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 4:00pm
Sunday Closed

Bulk Mail Acceptance Hours


Services Offered at Castro Valley Alameda, CA Post Office

  • Burial Flags
  • Business Line
  • Business Reply Mail Account Balance
  • Business Reply Mail New Permit
  • Duck Stamps
  • General Delivery
  • Money Orders (Domestic)
  • Money Orders (Inquiry)
  • Money Orders (International)
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • PO Box Online
  • Sure Money
  • Lot Parking

Post Office Castro Valley Alameda


Passports Services

Is Passports Renewable Service available in Castro Valley Post office?

Answer is No

Last Updated: 20 October 2022

Note: * is not a part of, or affiliated with, the official United States Postal Service (USPS).

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