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Sent TeamMar 8, 2026 / area code / Article

Area Code 337: Key Facts and Coverage in Louisiana

Explore Louisiana's area code 337, serving Lafayette, Lake Charles & New Iberia. Understand its telecom services: landline, wireless & VoIP. Key info on the 2021 ten-digit dialing change for the 988 lifeline. NANPA regulatory oversight explained. Established in 1999 from area code 318 split.

Frequently Asked Questions

What area code is Lafayette, Louisiana in?

What area code is Lake Charles, LA?

When did area code 337 start being used in Louisiana?

Why was area code 337 created?

What part of Louisiana does area code 337 cover?

What types of phone services are available in area code 337?

When did 10-digit dialing become mandatory for area code 337?

Why was 10-digit dialing implemented in area code 337?

Who manages area code 337?

Where can I find more information about area code 337 regulations?

What is the area code for New Iberia, Louisiana?

What other cities besides Lafayette and Lake Charles are in area code 337?

Does area code 337 require 7-digit or 10-digit dialing?

What area code was split to create area code 337?

What is the area code for Lake Charles, Louisiana?

What area code is Lafayette Louisiana?

When did area code 337 start ten digit dialing?

What cities are included in area code 337?

How to dial a 337 number from another area code?

What types of phone services use area code 337?

What is the regulatory body for area code 337?

Where can I find more info on area code 337 regulations?

When did 337 area code split from 318?