Area Code 337

Louisiana (LA) • Lake Charles, Lafayette, New Iberia, Sulphur, Abbeville, Anacoco, Arnaudville, Avery Island • Central Time (CT)

What Stands Out

•Coverage: 944.9K people across 107 ZIP codes.
•Major cities: Lake Charles, Lafayette, New Iberia.

Spotlight: Coverage

Snapshot highlights for area code 337.

Income

33rd

Home values

41st

Poverty rate

81st

Area Code Basics

Primary State

Louisiana (LA)

States Served

Louisiana (LA)

Major Cities

Lake Charles, Lafayette, New Iberia, Sulphur, Abbeville, Anacoco, Arnaudville, Avery Island

Time Zone(s)

Central Time (CT)

Est. Population

944.9K

ZIP Codes

107

Data accuracy & methodology

This report aggregates 2020–2024 ACS 5-year estimates and geographic overlays for orientation. Area-code service areas can cross ZIP/state boundaries and change over time; verify official assignments with NANPA for critical use.