Louisiana area codes
| 225 | Louisiana (Baton Rouge, New Roads, White Castle and central eastern Louisiana) |
| 318 | Louisiana (Shreveport, Monroe, Alexandria, Fisher, Tallulah and northern Louisiana) |
| 337 | Louisiana (Leesville, Lake Charles, Lafayette, New Iberia, Opelousas, De Ridder and southwestern Louisiana), split from 318 on October 11, 1999) |
| 504 | Louisiana (New Orleans, Metairie, Kenner and surrounding areas) |
| 985 | Louisiana (Houma, Slidell and southeastern Louisiana excluding New Orleans) |
