| 44515 Austintown | 330/234 | Mahoning County | Ohio (OH) |
| 44609 Beloit | 330/234 | Mahoning County | Ohio (OH) |
| 44401 Berlin Center | 330/234 | Mahoning County | Ohio (OH) |
| 44512 Boardman | 330/234 | Mahoning County | Ohio (OH) |
| 44513 Boardman | 330/234 | Mahoning County | Ohio (OH) |
| 44405 Campbell | 330/234 | Mahoning County | Ohio (OH) |
| 44406 Canfield | 330/234 | Mahoning County | Ohio (OH) |
| 44436 Coitsville | 330/234 | Mahoning County | Ohio (OH) |
| 44511 Cornersburg | 330/234 | Mahoning County | Ohio (OH) |
| 44429 Craig Beach | 330/234 | Mahoning County | Ohio (OH) |
| 44619 Damascus | 330/234 | Mahoning County | Ohio (OH) |
| 44416 Ellsworth | 330/234 | Mahoning County | Ohio (OH) |
| 44422 Greenford | 330/234 | Mahoning County | Ohio (OH) |
| 44429 Lake Milton | 330/234 | Mahoning County | Ohio (OH) |
| 44436 Lowellville | 330/234 | Mahoning County | Ohio (OH) |
| 44442 New Middletown | 330/234 | Mahoning County | Ohio (OH) |
| 44442 New Middletwn | 330/234 | Mahoning County | Ohio (OH) |
| 44443 New Springfield | 330/234 | Mahoning County | Ohio (OH) |
| 44443 New Springfld | 330/234 | Mahoning County | Ohio (OH) |
| 44451 North Jackson | 330/234 | Mahoning County | Ohio (OH) |
| 44452 North Lima | 330/234 | Mahoning County | Ohio (OH) |
| 44454 Petersburg | 330/234 | Mahoning County | Ohio (OH) |
| 44514 Poland | 330/234 | Mahoning County | Ohio (OH) |
| 44672 Sebring | 330/234 | Mahoning County | Ohio (OH) |
| 44471 Struthers | 330/234 | Mahoning County | Ohio (OH) |
| 44609 Westville Lake | 330/234 | Mahoning County | Ohio (OH) |
| 44501 Youngstown | 330/234 | Mahoning County | Ohio (OH) |
| 44502 Youngstown | 330/234 | Mahoning County | Ohio (OH) |
| 44503 Youngstown | 330/234 | Mahoning County | Ohio (OH) |
| 44504 Youngstown | 330/234 | Mahoning County | Ohio (OH) |
| 44505 Youngstown | 330/234 | Mahoning County | Ohio (OH) |
| 44506 Youngstown | 330/234 | Mahoning County | Ohio (OH) |
| 44507 Youngstown | 330/234 | Mahoning County | Ohio (OH) |
| 44509 Youngstown | 330/234 | Mahoning County | Ohio (OH) |
| 44510 Youngstown | 330/234 | Mahoning County | Ohio (OH) |
| 44511 Youngstown | 330/234 | Mahoning County | Ohio (OH) |
| 44512 Youngstown | 330/234 | Mahoning County | Ohio (OH) |
| 44513 Youngstown | 330/234 | Mahoning County | Ohio (OH) |
| 44514 Youngstown | 330/234 | Mahoning County | Ohio (OH) |
| 44515 Youngstown | 330/234 | Mahoning County | Ohio (OH) |
| 44555 Youngstown | 330/234 | Mahoning County | Ohio (OH) |
| 44555 Youngstown State University | 330/234 | Mahoning County | Ohio (OH) |