Fremont Detached Del Unit Post Office

NOTICE: The Postal Service is an essential government service, and will remain open wherever possible.

4260 Business Center Dr, Fremont, CA 94538

Contact Numbers

Phone: 510-226-0195
Fax: 510-651-2061
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Lobby Hours

Monday 9:00am - 5:00pm
Tuesday 9:00am - 5:00pm
Wednesday 9:00am - 5:00pm
Thursday 9:00am - 5:00pm
Friday 9:00am - 5:00pm
Saturday 9:00am - 4:00pm
Sunday Closed

Last Collection Times

Monday 5:00pm
Tuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 4:30pm
Sunday Closed

*This facility does not process US Passports applications or renewals. Check nearby locations below.

  • Business Line
  • Pickup Accountable Mail
  • Pickup Hold Mail

Visit our Links Page for Holiday Schedule, Change of Address, Hold Mail/Stop Delivery, PO Box rentals and fees, and Available Jobs.

*Please call to verify information. Is anything incorrect? Let us know here

Nearby Post Offices:

Irvington
41041 Trimboli Way
1.2 miles away

Warm Springs
240 Francisco Ln
1.2 miles away

Mission San Jose
43456 Ellsworth St
1.7 miles away

Niles
160 J St
3.0 miles away

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