• Monday: 09:00 - 17:00
• Tuesday (today): 09:00 - 17:00
• Wednesday: 09:00 - 17:00
• Thursday: 09:00 - 17:00
• Friday: 09:00 - 17:00
• Saturday: 09:00 - 13:00
• Sunday: Closed

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🕗 United States Postal Service (USPS) hours in Castro Valley, 94546

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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

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