| Clintonville Post Office |
201 Irwin St, Clintonville, PA 16372 |
| Cooperstown Post Office |
137 Bradleytown Rd, Cooperstown, PA 16317 |
| Emlenton Post Office |
714 Main St, Emlenton, PA 16373 |
| Franklin Post Office |
1202 Elk St, Franklin, PA 16323 |
| Kennerdell Post Office |
240 Main St, Kennerdell, PA 16374 |
| Oil City Post Office |
302 E 2nd St, Oil City, PA 16301 |
| Pleasantville Post Office |
125 S Main St, Pleasantville, PA 16341 |
| Polk Post Office |
710 Main St, Polk, PA 16342 |
| Reno Post Office |
1891 Allegheny Blvd, Reno, PA 16343 |
| Rouseville Post Office |
114 Cherry Run Rd, Rouseville, PA 16344 |
| Seneca Post Office |
130 Meadow Rd, Seneca, PA 16346 |
| Utica Post Office |
3838 Academy St, Utica, PA 16362 |
| Venus Post Office |
4650 State Route 157, Venus, PA 16364 |
| Oil City Post Office |
302 E 2nd St, Oil City, PA 16301 |
