United States Postal Service
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This is a small branch of the USPS and as such has a limited number of services. It has a number of P.O. boxes available, and you can ship anything within its guidelines at the counter.
3861 Smith St, Union City, CA 94587
- Fax: 510-471-0306
- Accessibility Details: Ground floor, wheelchair ramp
- Hours: Mon - Fri, 9:30am - 4:30pm
- Accessible: yes