Post Offices List in Porterville City, California:
| Porterville Post Office | 65 W MIll Ave, Porterville, CA 93257 |
| Poplar Post Office | 14524 Road 192, Porterville, CA 93257 |
| Porterville Post Office | 65 W MIll Ave, Porterville, CA 93257 |
| Poplar Post Office | 14524 Road 192, Porterville, CA 93257 |