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  5. Area Code 337

Where Is Area Code 337?

Area code 337 is found in the US state of Louisiana. Primarily servicing the city of Lafayette (population: 155453), area code 337 covers 15 parishes of Louisiana.

Located in the Central time zone, area code 337 is on the same time as Chicago, IL.

Area code 337 was brought into effect on October 11, 1999. 337 was split from the parent 318 area code.

Map of  with area code 337 highlighted

Counties in Area Code 337

  • Acadia,
  • Allen,
  • Beauregard,
  • Calcasieu,
  • Cameron,
  • Evangeline,
  • Iberia,
  • Jefferson Davis,
  • Lafayette,
  • Saint Landry,
  • Saint Martin,
  • Saint Mary,
  • Vermilion,
  • Vernon.

Most Populous Cities in Area Code 337

City County City Population Time Zone
Lafayette Lafayette 155,453 CST
Lake Charles Calcasieu 125,294 CST
New Iberia Iberia 61,151 CST
Sulphur Calcasieu 39,240 CST
Opelousas Saint Landry 39,116 CST
Breaux Bridge Saint Martin 26,795 CST
Abbeville Vermilion 25,628 CST
Deridder Beauregard 25,600 CST
Leesville Vernon 23,429 CST
Ville Platte Evangeline 20,150 CST
Saint Martinville Saint Martin 19,995 CST
Youngsville Lafayette 19,322 CST
Crowley Acadia 19,250 CST
Carencro Lafayette 18,853 CST
Eunice Saint Landry 18,258 CST
Jennings Jefferson Davis 16,348 CST
Rayne Acadia 16,194 CST
Franklin Saint Mary 14,585 CST
Church Point Acadia 13,182 CST
Broussard Lafayette 12,567 CST
Fort Polk Vernon 12,251 CST
Duson Lafayette 12,036 CST
Scott Lafayette 11,967 CST
Jeanerette Iberia 11,715 CST
Kaplan Vermilion 10,482 CST

Note: The above list is based off of the top 25 most populous cities in the area code as per 2012 United States Census Bureau estimates.

View all United States Area Codes.

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This page was last updated on July 3, 2015.