Post Offices List in Fremont City, California:
| Fremont Detached Del Unit Post Office | 4260 Business Center Dr, Fremont, CA 94538 |
| Fremont Post Office | 37010 Dusterberry Way, Fremont, CA 94536 |
| Irvington Post Office | 41041 Trimboli Way, Fremont, CA 94538 |
| Mission San Jose Post Office | 43456 Ellsworth St, Fremont, CA 94539 |
| Niles Post Office | 160 J St, Fremont, CA 94536 |
| Warm Springs Post Office | 240 Francisco Ln, Fremont, CA 94539 |