Fremont Detached Del Unit Post Office
4260 Business Center Dr, Fremont, CA 94538
Phone: 510-226-0195
Fax: 510-651-2061
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)
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
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
Alameda County