The 337 area code serves southwestern Louisiana and connects communities across the region. Telecommunications authorities introduced the area code in 1999 after splitting it from the 318 area code to accommodate the growing demand for telephone numbers. Today, the area code covers major cities such as Lafayette, Lake Charles, New Iberia, and Opelousas, helping residents, businesses, and organizations stay connected throughout the Acadiana region.
What Is the 337 Area Code?
The area code 337 is a telephone areas codes in the North American Numbering Plan (NANP) that serves the southwestern region of the U.S. state of Louisiana. It covers many major cities, rural communities, and business centers throughout the region. Residents, organizations, and businesses rely on the area code for local and long-distance communication.
Where Is the 337 Area Code Located?
The louisiana area code 337 primarily serves southwestern and south-central Louisiana. It covers a large geographic area, including major cities, small towns, and coastal communities.
Major cities covered
Some of the most notable locations within the area code 337 location include:
History of the 337 Area Code
The 337 area code location was created in 1999 when it was split from Louisiana’s 318 areas codes. The split was necessary due to the increasing demand for telephone numbers caused by population growth, mobile phones, fax machines, and expanding business communications. The introduction of the new area code helped ensure a sufficient supply of phone numbers for residents and businesses throughout southwestern Louisiana. Today, 337 remains one of Louisiana’s most recognizable telephone area codes.

Economy and Culture of the Area Code Region
The area code of 337 covers one of the most culturally unique regions in the United States. The area celebrates its rich Cajun and Creole heritage, which influences local traditions, music, cuisine, and community events. The region also supports a diverse economy driven by industries such as oil and gas, agriculture, healthcare, and tourism. Cities like Lafayette serve as major centers for the energy sector while also attracting visitors with their lively music scene, festivals, and renowned local cuisine. These cultural and economic strengths make the area code an important part of Louisiana’s identity and growth.
Time Zone
The louisiana 337 area code covering cities in southwestern Louisiana, is entirely within the Central Time Zone. The region observes Central Standard Time (CST, UTC−6) during the winter months and switches to Central Daylight Time (CDT, UTC−5) during daylight saving time in the summer. This consistent time zone ensures smooth communication for both residents and businesses operating across the region and beyond.
Demographics of the Area Code
The estimated total population across all zip codes in the 337 area code louisiana is 919,266, with a median age of 37.41 years. The median household income is $53,778, and approximately 70% of households own their residence. The median home value is $154,647, and the median monthly rent is $817. These figures reflect a region with a strong homeownership culture and a working- to middle-class economic foundation.
How to Call a 337 Number
Dialing a 337 number is straightforward from anywhere in the world. To call a 337 number from within the United States, dial 1-337-XXX-XXXX (where XXX-XXXX is the local number). From outside the US, dial your country’s exit code, then +1-337-XXX-XXXX.
Is the Area Code Associated with Scams?
Like any area code, can sometimes appear in suspicious calls. The 337 area code is a legitimate areas codes serving Lafayette, Louisiana. However, scammers can spoof any area code using technology to make calls appear to come from a local number. If you receive a suspicious call from the area code, do not provide personal information and report it to the FTC at reportfraud.ftc.gov. Being aware and cautious is always the best approach when receiving unexpected calls.
Frequently Asked Questions (FAQs)
Conclusion
The 337 area code is an important telecommunications region serving southwestern Louisiana. It covers major cities such as Lafayette, Lake Charles, and New Iberia, connecting residents, businesses, and organizations throughout one of the state’s most culturally rich and economically significant regions. Whether you’re receiving a call from a 337 number or considering obtaining one for your business, understanding the area code’s history, coverage, and benefits can help you stay connected throughout Louisiana.
