Post Offices List in Oroville City, California:
| Oroville Post Office | 1735 Robinson St, Oroville, CA 95965 |
| Ophir Post Office | 2359 Myers St Ste D, Oroville, CA 95966 |
| Oroville Post Office | 1735 Robinson St, Oroville, CA 95965 |
| Ophir Post Office | 2359 Myers St Ste D, Oroville, CA 95966 |