United States Postal Service
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Today: 9:00 am - 5:00 pm
Tomorrow: 9:00 am - 5:00 pm
Phone: (510) 783-5963
Fax: (510) 783-0460
Phone: (800) 275-8777
Address: 24438 Santa Clara St, Hayward, CA 94544
Website: http://usps.com/postoffice
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