Lookup › Area code 337
337 Area Code — Lafayette, Louisiana
Area code 337 serves Lafayette, LA.
Most looked-up 337 numbers
Phone prefixes in 337
Carriers serving 337
- T-Mobile (2 numbers)
- Level 3 Communications, LLC - (1 numbers)
Frequently asked questions
Where is area code 337?
Area code 337 serves Lafayette, LA.
What prefixes are in area code 337?
Phone2.io tracks 4 phone prefixes in area code 337, with carrier and spam-report data on individual numbers.
More about area code 337
Area code 337 overview, history, and local numbers · Get a LA phone number
Last updated: May 20, 2026