| 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 |
|---|---|---|---|
| 337-373 | Iberia | New Iberia, LA | Bellsouth Telecomm Inc DBA South Central Bell Tel |
| 337-374 | Iberia | New Iberia, LA | Bellsouth Telecomm Inc DBA South Central Bell Tel |
| 337-375 | Beauregard | Deridder, LA | Cellco Partnership DBA Verizon Wireless |
| 337-376 | Iberia | New Iberia, LA | Level 3 Communications |
| 337-377 | Calcasieu | Lake Charles, LA | Sprint Spectrum L.p. |
| 337-378 | Vernon | Leesville, LA | Level 3 Communications |
| 337-379 | Calcasieu | Iowa, LA | Sprint Spectrum L.p. |
| 337-380 | Iberia | New Iberia, LA | New Cingular Wireless PCS - GA |
| 337-381 | Saint Landry | Opelousas, LA | Level 3 Communications |
| 337-383 | Vernon | Leesville, LA | Bellsouth Telecomm Inc DBA South Central Bell Tel |
| 337-384 | Acadia | Crowley, LA | New Cingular Wireless PCS - GA |
| 337-385 | Vermilion | Abbeville, LA | Network Telephone Corporation |
| 337-386 | Calcasieu | Dequincy, LA | Sprint Spectrum L.p. |
| 337-387 | Jefferson Davis | Welsh, LA | Sprint Spectrum L.p. |
| 337-388 | Jefferson Davis | Jennings, LA | Leap Wireless Intl DBA Cricket Comm |
| 337-389 | Allen | Oberlin, LA | Sprint Spectrum L.p. |
| 337-390 | Allen | Kinder, LA | Sprint Spectrum L.p. |
| 337-391 | Calcasieu | Iowa, LA | Sprint Spectrum L.p. |
| 337-392 | Vernon | Leesville, LA | Bellsouth Telecomm Inc DBA South Central Bell Tel |
| 337-393 | Acadia | Rayne, LA | AT&T Local |
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.