Area Codes
| 337 | Louisiana (Leesville, Lake Charles, Lafayette, New Iberia, Opelousas, De Ridder and southwestern Louisiana), split from 318 on October 11, 1999) |
| 337 | Louisiana (Leesville, Lake Charles, Lafayette, New Iberia, Opelousas, De Ridder and southwestern Louisiana), split from 318 on October 11, 1999) |