| District of Louisiana area codes: 337 | |
|---|---|
| Country | United States |
| State/Province | Louisiana |
| Major City | Lafayette |
| Time Zone | Central (UTC-06:00) |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 337-990 | Calcasieu | Lake Charles, LA | Network Telephone Corporation |
| 337-991 | Lafayette | Lafayette, LA | Bellsouth Telecomm Inc DBA South Central Bell Tel |
| 337-993 | Lafayette | Lafayette, LA | Bellsouth Telecomm Inc DBA South Central Bell Tel |
| 337-998 | Allen | Kinder, LA | Cellco Partnership DBA Verizon Wireless |
| 337-999 | Lafayette | Lafayette, LA | Accesscom |
| 337-555 | Used in movie | Basile, LA | Used in movie |
There are 506 prefixes, In the code area, the major cities are Lafayette, LA;Lake Charles, LA;New Iberia, LA;Opel. The major city is Lafayette.