Area code 337 covers southwestern Louisiana, including cities such as Lafayette, Lake Charles, Opelousas, and New Iberia. Created in 1999 from a split of area code 318, it serves the heart of Cajun and Creole country. The region is known for its rich cultural heritage, zydeco music, and world-renowned cuisine. Lafayette, the cultural center of Acadiana, plays a key role in the area's identity. Oil, gas, agriculture, and tourism also drive the local economy. 337 is frequently used in regional marketing and cultural events, making it a distinct symbol of Louisiana’s southwestern flavor. It remains a standalone code with strong community significance.