| Issues & ConsumerAffairs | 800-275-8777 | |
| Express Mail Tracking-International | | |
| Inquiries & Claims Status-Signature | | |
| & Delivery Confirmation | 800-222-1011 | |
| TTY For Speech & HearingImpaired | 877-889-2457 | |
| Stamps By Phone | 800-782-6724 | |
| US Postal Inspectors | 877-876-2455 | |
| Castro Valley Post Office | | |
Fremont Detached Delivery Unit
4260 Business Center Dr
Fremont CA 94538 | 510-226-0858 | 16.8 miles |
Fremont Post Office
37010 Dusterberry Wy
Fremont CA 94537 | 510-792-0282 | 12.3 miles |
Hayward Post Office
24438 Santa Clara
Hayward CA 94544 | 510-783-5963 | 4.96 miles |
Irvington Post Office
41041 Trimboli Wy
Fremont CA 94538 | 510-651-0233 | 14.9 miles |
Mission San Jose Post Office
43456 Ellsworth
Fremont CA 94539 | 510-656-7851 | 16.0 miles |
Mount Eden Post Office
2163 Aldengate Wy
Hayward CA 94545 | 510-782-5636 | 6.47 miles |
Newark Post Office
6655 Clark Av
Newark CA 94560 | 510-797-0903 | 13.8 miles |
Niles Post Office
| 160 J Fremont CA 94536 | 510-793-0291 | |
San Lorenzo Post Office
15888 Hesperian Bl
SanLorenzo CA 94580 | 510-317-1104 | 4.04 miles |
Sunol Post Office
11925 Main
Sunol CA 94586 | 925-862-2130 | 13.9 miles |
Union City Post Office
33170 Alvarado-Niles Rd
UnionCity CA 94587 | 510-471-1180 | 9.46 miles |
Warm Springs Post Office
240 Francisco Ln
Fremont CA 94539 | 510-656-7869 | 18.3 miles |
Locations (7)
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