Area Code 337 United States

The area code 337 is a telephone area code in the North American Numbering Plan (NANP) that serves the southwestern part of the state of Louisiana in the United States. This area code was created in 1999 as a result of the split from area code 318, which was the original area code assigned to the region. The 337 area code covers a vast territory that includes the cities of Lafayette, Lake Charles, and Abbeville, among others. It is one of the most culturally rich and diverse regions in the country, known for its Cajun and Creole heritage.
Geographic Coverage and Demographics

The 337 area code spans across 12 parishes in southwestern Louisiana, including Acadia, Calcasieu, Cameron, Evangeline, Iberia, Jefferson Davis, Lafayette, St. Landry, St. Martin, St. Mary, Vermilion, and Vermilion. As of the 2020 United States Census, the population served by the 337 area code is approximately 1.2 million people, with the city of Lafayette being the largest metropolitan area. The region is characterized by its unique cultural identity, shaped by the influences of French, Spanish, African, and Native American communities.
Economic and Industrial Profile
The economy of the 337 area code region is diversified, with major industries including oil and gas production, agriculture, healthcare, education, and tourism. The area is home to several major petrochemical plants and refineries, taking advantage of the region’s access to the Gulf of Mexico. Additionally, the agricultural sector plays a significant role, with crops such as sugarcane, soybeans, and rice being prominent. The region’s cultural heritage and natural beauty also make tourism a vital part of the local economy, with attractions like the Avery Island, the Tabasco factory, and the Festival International de Louisiane drawing visitors from around the world.
Parish | Population (2020) |
---|---|
Acadia | 62,061 |
Calcasieu | 216,785 |
Cameron | 6,579 |
Evangeline | 33,984 |
Iberia | 73,178 |
Jefferson Davis | 31,365 |
Lafayette | 241,753 |
St. Landry | 87,700 |
St. Martin | 53,959 |
St. Mary | 49,046 |
Vermilion | 60,896 |

Key Points
- The 337 area code serves the southwestern part of Louisiana, covering 12 parishes.
- The region is known for its rich cultural heritage, including Cajun and Creole influences.
- The economy is diversified, with significant industries in oil and gas, agriculture, healthcare, education, and tourism.
- The population served by the 337 area code is approximately 1.2 million people, with Lafayette being the largest city.
- Understanding the cultural, economic, and demographic characteristics of the 337 area code is essential for engagement and investment in the region.
Telecommunications and Area Code History

The 337 area code was introduced to alleviate the numbering shortage in the 318 area code, which was the original area code for the region. This split allowed for the expansion of telephone services and paved the way for future growth in telecommunications within the area. The management and allocation of area codes are overseen by the North American Numbering Plan Administration (NANPA), ensuring that area codes are used efficiently across the United States and its territories.
Future Developments and Challenges
Looking ahead, the 337 area code region is poised to face both opportunities and challenges. The ongoing development of the oil and gas industry, alongside investments in renewable energy, will continue to shape the local economy. However, the region must also address challenges related to environmental sustainability, infrastructure development, and the preservation of its unique cultural identity. Balancing economic growth with social and environmental considerations will be key to the region’s long-term prosperity.
What is the primary industry in the 337 area code region?
+The primary industries in the 337 area code region include oil and gas production, agriculture, healthcare, education, and tourism, with a significant emphasis on the petrochemical sector.
How many parishes are served by the 337 area code?
+The 337 area code serves 12 parishes in southwestern Louisiana, including Acadia, Calcasieu, Cameron, Evangeline, Iberia, Jefferson Davis, Lafayette, St. Landry, St. Martin, St. Mary, Vermilion, and Vermilion.
What is the population of the 337 area code region?
+As of the 2020 United States Census, the population served by the 337 area code is approximately 1.2 million people.
Meta Description: Discover the 337 area code, serving southwestern Louisiana, and explore its unique cultural heritage, diversified economy, and the opportunities and challenges it faces.