| Area Code | 337 |
| State | Louisiana |
| Current Time in Area Code 337 | 337> CDT |
| Timezone | Central Daylight Time |
| Regional Market Area | Alexandria Area LaFayette Area Lake Charles Area |
| Metro Area(s) | DeRidder, LA Fort Polk South, LA Jennings, LA Lafayette, LA Lake Charles, LA Morgan City, LA Opelousas, LA |
| Population (2020) | 953614 |
| Adjacent Area Codes | 225,318,409,985 |
| Lafayette |
| Lake Charles |