| | Bolindale CDP | 3915507583 | OH | 3907583 | Census Designated Place | Youngstown-Warren-Boardman,
OH-PA 49660 | Youngstown-Warren, OH-PA 566 | | |
| | Brookfield Center CDP | 3915509200 | OH | 3909200 | Census Designated Place | Youngstown-Warren-Boardman,
OH-PA 49660 | Youngstown-Warren, OH-PA 566 | | |
| | Champion Heights CDP | 3915513484 | OH | 3913484 | Census Designated Place | Youngstown-Warren-Boardman,
OH-PA 49660 | Youngstown-Warren, OH-PA 566 | | |
| | Churchill CDP | 3915514324 | OH | 3914324 | Census Designated Place | Youngstown-Warren-Boardman,
OH-PA 49660 | Youngstown-Warren, OH-PA 566 | | |
| | Cortland city | 3915518812 | OH | 3918812 | Incorporated Place | Youngstown-Warren-Boardman,
OH-PA 49660 | Youngstown-Warren, OH-PA 566 | | |
| | Girard city | 3915530198 | OH | 3930198 | Incorporated Place | Youngstown-Warren-Boardman,
OH-PA 49660 | Youngstown-Warren, OH-PA 566 | | |
| | Hilltop CDP | 3915535613 | OH | 3935613 | Census Designated Place | Youngstown-Warren-Boardman,
OH-PA 49660 | Youngstown-Warren, OH-PA 566 | | |
| | Howland Center CDP | 3915536557 | OH | 3936557 | Census Designated Place | Youngstown-Warren-Boardman,
OH-PA 49660 | Youngstown-Warren, OH-PA 566 | | |
| | Hubbard city | 3915536582 | OH | 3936582 | Incorporated Place | Youngstown-Warren-Boardman,
OH-PA 49660 | Youngstown-Warren, OH-PA 566 | | |
| | Kinsman Center CDP | 3915540507 | OH | 3940507 | Census Designated Place | Youngstown-Warren-Boardman,
OH-PA 49660 | Youngstown-Warren, OH-PA 566 | | |