LOUISIANA · AREA CODE GUIDE
337 area code location: Lafayette and Lake Charles, Louisiana
- Local date and time
- Central Time
Map data: HSIP (2010) · NANPA · US Census Bureau, checked 26 September 2026. Boundaries are approximate.
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Download the 337 area code map
A printable area code 337 location map, with time zone and state. Use the PNG image in a document or slide; the SVG stays sharp at any size.
337 area code at a glance
- State
- Louisiana
- Primary cities
- Lafayette, Lake Charles, and New Iberia
- Established
- Population
- Largest community: Lafayette, 123,311 (2025)Not an area-code population.
- Prefixes in service
- 599 as of 13 October 2026
An area code does not show where a caller is now.
History
Country and calling code: United States (+1).
Parent code: 318.
New code planned: No, as of 22 September 2026.
Time zone
- Central Time
- Standard time UTC−06:00
- Daylight saving time UTC−05:00
Counties and cities covered
337 numbers are issued across 75 communities. These are telephone exchange areas, which follow the phone network rather than city limits, so a place can sit just outside the boundary of the town it is named for.
Counties of the communities we could place (the code may reach further): St. Landry Parish, Acadia Parish, Evangeline Parish, St. Martin Parish, Jefferson Davis Parish, Lafayette Parish, Vermilion Parish, Calcasieu Parish, Iberia Parish, Allen Parish, St. Mary Parish, Beauregard Parish, and Vernon Parish.
- Lafayette
- Lake Charles
- New Iberia
- Sulphur
- Youngsville
- Broussard
- Opelousas
- Carencro
- Crowley
- Abbeville
- Jennings
- Eunice
- Breaux Bridge
- Rayne
- Franklin
- Ville Platte
- Saint Martinville
- Leesville
- Jeanerette
- Kaplan
- Church Point
- Iowa
- Welsh
- Sunset
- Vinton
50 more communities
- Mamou
- Lake Arthur
- Kinder
- Erath
- Delcambre
- Port Barre
- Baldwin
- Henderson
- Pine Prairie
- Duson
- Oberlin
- Iota
- Basile
- Gueydan
- Arnaudville
- Elton
- Merryville
- Krotz Springs
- Leonville
- Melville
- Washington
- Parks
- Loreauville
- Cankton
- Turkey Creek
- Chataignier
- Reeves
- Fenton
- Cameron
- Carlyss
- Cecelia
- Centerville
- Creole
- De Quincy
- De Ridder
- Forked Island
- Grand Chenier
- Hackberry
- Hayes
- Johnsons Bayou
- Lacassine
- Lawtell
- Pecan Island
- Ragley
- Roanoke
- Starks
- Sugartown
- Sweet Lake
- Thornwell
- Weeks Island
Notable places in 337
| Place | Where | What it is |
|---|---|---|
| University of Louisiana at Lafayette | 1.2 km from Lafayette | University, 16,810 12-month enrollment (2023–24) |
| Lafayette Regional Airport | 4.0 km from Lafayette | Commercial airport, 264,471 enplanements (2024) |
| McNeese State University | 2.2 km from Lake Charles | University, 6,776 12-month enrollment (2023–24) |
| Fort Polk | 20.8 km from Leesville | US Army installation |
| Lake Charles Regional Airport | 8.2 km from Lake Charles | Commercial airport, 90,791 enplanements (2024) |
| Beauregard Regional Airport | 19.8 km from Merryville | Airport |
| Longfellow-Evangeline State Historic Site | 0.8 km from Saint Martinville | Museum |
| Cajun Field at Our Lady of Lourdes Stadium | 1.6 km from Lafayette | Stadium |
| Blackham Coliseum | 0.6 km from Lafayette | Arena |
| Jungle Gardens | 9.0 km from Delcambre | Botanical garden |
Questions about 337
Where is the 337 area code?
337 is in Louisiana. Its numbers are issued in Lafayette, Lake Charles, New Iberia, and 72 other communities.
What time zone is area code 337 in?
337 is in Central Time. Daylight saving time is observed.
What cities are in the 337 area code?
Lafayette, Lake Charles, New Iberia, Sulphur, and Youngsville, and 70 other communities.
What state is area code 337 in?
Area code 337 is in Louisiana.
What counties are covered by area code 337?
Area code 337 covers communities in St. Landry Parish, Acadia Parish, Evangeline Parish, St. Martin Parish, Jefferson Davis Parish, Lafayette Parish, Vermilion Parish, Calcasieu Parish, Iberia Parish, Allen Parish, St. Mary Parish, Beauregard Parish, and Vernon Parish.
Is 337 a toll-free area code?
No. 337 is a geographic area code. The toll-free codes are 800, 833, 844, 855, 866, 877, and 888.
Sources: NANPA area code listing, NANPA places by area code, NANPA central office code assignments, U.S. Census Bureau population estimates, OMB metropolitan area delineations. Checked .
Business phone numbers in area code 337, answered by an AI agent
A local number for Lafayette, Lake Charles, and New Iberia, Louisiana, with an AI receptionist that takes caller details, answers the questions you give it, and books appointments. Numbers depend on what carriers have left.