Fremont Detached Del Unit Post Office

The Postal Service is classified as 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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