Louisiana Area Codes
5 area codes in Louisiana, United States. Country code: +1. Find area codes by city and region.
All Louisiana Area Codes
| Area Code | Major Cities | Region |
|---|---|---|
| 225 | Baton Rouge | Southeast |
| 318 | Shreveport | North |
| 337 | Lafayette, Lake Charles | Southwest |
| 504 | New Orleans | Southeast |
| 985 | Houma, Slidell | Southeast |
About Louisiana Area Codes
Louisiana uses 5 area codes under the North American Numbering Plan (NANP), serving Baton Rouge, Houma, Lafayette, Lake Charles, New Orleans, Shreveport and 1 other communities. Each code follows the 3-digit format and covers a defined geographic region within the state.
Major Cities and Their Area Codes
Find which area code serves each major city in Louisiana.
| City / Community | Area Code(s) |
|---|---|
| Baton Rouge | 225 |
| Houma | 985 |
| Lafayette | 337 |
| Lake Charles | 337 |
| New Orleans | 504 |
| Shreveport | 318 |
| Slidell | 985 |
How to Call Louisiana
Within the US: dial 1 + area code + 7-digit number (10-digit dialing applies where overlays are active).
From Canada or the Caribbean: the same NANP format applies — 1 + area code + number.
From abroad: dial your country's exit code (011 from the US, 00 from most countries, or + on mobile), then 1, then the Louisiana area code and number.
Example (from the UK): 00 1 225 XXX XXXX
Data source: North American Numbering Plan Administration (NANPA), ITU-T E.164. Area code assignments change with new overlays — verify with your carrier before dialing. NANPA