| Area Code | 937 |
| State | Ohio |
| Current Time in Area Code 937 | 937> EST |
| Timezone | Eastern Standard Time |
| Regional Market Area | Dayton Area Metro Cincinnati Metro Columbus |
| Metro Area(s) | Bellefontaine, OH Dayton-Kettering, OH Greenville, OH Sidney, OH Springfield, OH Urbana, OH Wilmington, OH |
| Population (2020) | 1395296 |
| Adjacent Area Codes | 220,260,283,326,380,419,513,567,606,614,740,765 |
| Overlay Area Codes | 326 |
| Adams County |
| Brown County |
| Champaign County |
| Clark County |
| Clinton County |
| Darke County |
| Greene County |
| Highland County |
| Logan County |
| Miami County |
| Montgomery County |
| Preble County |
| Shelby County |
| Union County |
| Beavercreek |
| Dayton |
| Fairborn |
| Huber Heights |
| Kettering |
| Springfield |