| Area Code | 219 |
| State | Indiana |
| Current Time in Area Code 219 | 219> CDT |
| Timezone | Central Daylight Time |
| Regional Market Area | LaFayette Indiana Area Metro Chicago |
| Metro Area(s) | Michigan City-La Porte, IN |
| Population (2020) | 855768 |
| Adjacent Area Codes | 269,464,574,708,765,773,779,815,872 |
| Jasper County |
| Lake County |
| LaPorte County |
| Newton County |
| Porter County |
| White County |
| Gary |
| Hammond |
| Merrillville |
| Michigan City |
| Portage |
| Valparaiso |