337 Area Code
Southwestern Louisiana, Louisiana
Area code 337 is located in Southwestern Louisiana, Louisiana. It covers Lafayette, Lake Charles, and surrounding areas in the Central time zone (UTC-6). Administered by NANPA.
Where is area code 337?
Area code 337 is located in Southwestern Louisiana, Louisiana. It covers Lafayette, Lake Charles, and surrounding areas in the Central time zone (UTC-6).
Cities Covered by Area Code 337
Area code 337 primarily serves the Southwestern Louisiana area of Louisiana. The exact coverage includes Lafayette, Lake Charles, and Opelousas, along with surrounding communities and suburbs.
Time Zone
Central Time — UTC-6
Area code 337 operates in the Central Time Zone. When calling 337 numbers from a different time zone, be sure to account for the time difference to reach people during business hours.
About Area Code 337
Area code 337 was introduced in 2001 as a geographic area code serving Southwestern Louisiana, Louisiana. It remains the primary area code for this region. Area codes are administered by NANPA (North American Numbering Plan Administration), the organization responsible for managing phone number resources in the US and Canada.