| Area Code | 330 |
| State | Ohio |
| Current Time in Area Code 330 | 330> EDT |
| Timezone | Eastern Daylight Time |
| Regional Market Area | Metro Cleveland Youngstown Area |
| Metro Area(s) | Akron, OH Canton-Massillon, OH New Philadelphia-Dover, OH Salem, OH Wooster, OH Youngstown-Warren-Boardman, OH-PA |
| Population (2020) | 2073111 |
| Adjacent Area Codes | 216,220,234,304,419,440,567,681,724,740,878 |
| Overlay Area Codes | 234 |
| Carroll County |
| Columbiana County |
| Holmes County |
| Mahoning County |
| Medina County |
| Portage County |
| Stark County |
| Summit County |
| Trumbull County |
| Tuscarawas County |
| Wayne County |
| Akron |
| Brunswick |
| Canton |
| Cuyahoga Falls |
| Massillon |
| Stow |
| Warren |
| Youngstown |