USPS - Post Office - Castro Valley (mail package delivery courier ) - Location & Hours

Store Details

20283 Santa Maria Ave
 Castro Valley, California 94546-9998

Lot Parking Available

Phone: 510-581-0159
Fax: 510-581-4074

Map & Directions   Website

Regular Store Hours

Mon: 9:00am - 5:00pm
Tue: 9:00am - 5:00pm
Wed: 9:00am - 5:00pm
Thu: 9:00am - 5:00pm
Fri: 9:00am - 5:00pm
Sat: 9:00am - 1:00pm
Sun: Closed

Store hours may vary due to seasonality.

Nearby USPS - Postal Service Locations

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Store Services/Products

  • Bulk Mail Account Balance
  • Bulk Mail New Permit
  • Burial Flags
  • Business Reply Mail Account Balance
  • Business Reply Mail New Permit
  • Duck Stamps
  • General Delivery
  • Greeting Card Services
  • Money Orders (Domestic)
  • Money Orders (Inquiry)
  • Money Orders (International)
  • PO Box Online
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • Priority Mail International®
  • Fax in Lobby
  • Photocopier in Lobby
  • Vending Equipment

Store Departments

Last Collection Hours

Last Collection Hours hours:
Mon-Fri: 5:00pm
Sat: 4:00pm
Sun: Closed

Lobby Hours

Lobby Hours hours:
Mon-Sun: 12:01am - 11:59pm

PO Box Access Hours

PO Box Access Hours hours:
Mon-Sun: 12:01am - 11:59pm

Carrier Facility Hours

Carrier Facility Hours hours:
Mon-Fri: 9:00am - 4:00pm
Sat: 9:00am - 1:00pm
Sun: Closed

Pickup Services Hours

Pickup Services Hours hours:
Mon-Fri: 9:00am - 5:00pm
Sat: 9:00am - 1:00pm
Sun: Closed

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