Area Code 337 History:
Area code 337 was put into service. Area code 337 was created from a split of area code 318.
Parishes in Louisiana within area code 337 include:
Acadia Parish, Allen Parish, Beauregard Parish, Calcasieu Parish, Cameron Parish, Evangeline Parish, Iberia Parish, Jefferson Davis Parish, Lafayette Parish, Natchitoches Parish, Saint Landry Parish, Saint Martin Parish, Saint Mary Parish, Vermilion Parish, and Vernon Parish.
Major cities or places in Louisiana within area code 337 include:
Area code 337 serves southwestern Louisiana including the larger cities and communities of Crowley, De Ridder, Lafayette, Lake Charles, New Iberia, Opelousas, and Sulphur, as well as, many smaller communities in southwestern Louisiana.