| 70512 Arnaudville | 337 | Saint Landry Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 71353 Bayou Current | 337 | Saint Landry Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 71345 Bayou Petite Prairie | 337 | Saint Landry Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 71353 Bayou Rouge | 337 | Saint Landry Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 70516 Branch | 337 | Acadia Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 70517 Breaux Bridge | 337 | Saint Martin Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 70518 Broussard | 337 | Lafayette Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 70517 Butte Larose | 337 | Saint Martin Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 70519 Cade | 337 | Saint Martin Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 70584 Cankton | 337 | Saint Landry Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 70520 Carencro | 337 | Lafayette Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 70521 Cecilia | 337 | Saint Martin Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 70525 Church Point | 337 | Acadia Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 70526 Crowley | 337 | Acadia Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 70527 Crowley | 337 | Acadia Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 70529 Duson | 337 | Lafayette Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 70531 Egan | 337 | Acadia Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 71353 Elba | 337 | Saint Landry Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 70598 Energy Center | 337 | Lafayette Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 70534 Estherwood | 337 | Acadia Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 70535 Eunice | 337 | Saint Landry Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 70537 Evangeline | 337 | Acadia Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 71353 Goodwood | 337 | Saint Landry Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 70541 Grand Coteau | 337 | Saint Landry Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 70517 Henderson | 337 | Saint Martin Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 70543 Iota | 337 | Acadia Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 70750 Krotz Springs | 337 | Saint Landry Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 70500 Lafayette | 337 | Lafayette Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 70501 Lafayette | 337 | Lafayette Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 70502 Lafayette | 337 | Lafayette Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 70503 Lafayette | 337 | Lafayette Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 70504 Lafayette | 337 | Lafayette Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 70505 Lafayette | 337 | Lafayette Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 70506 Lafayette | 337 | Lafayette Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 70507 Lafayette | 337 | Lafayette Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 70508 Lafayette | 337 | Lafayette Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 70509 Lafayette | 337 | Lafayette Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 70593 Lafayette | 337 | Lafayette Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 70595 Lafayette | 337 | Lafayette Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 70596 Lafayette | 337 | Lafayette Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 70598 Lafayette | 337 | Lafayette Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 70550 Lawtell | 337 | Saint Landry Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 71356 Le Moyen | 337 | Saint Landry Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 71345 Lebeau | 337 | Saint Landry Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 70551 Leonville | 337 | Saint Landry Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 71353 Melville | 337 | Saint Landry Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 70556 Mermentau | 337 | Acadia Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 70559 Midland | 337 | Acadia Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 70558 Milton | 337 | Lafayette Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 71356 Morrow | 337 | Saint Landry Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 70559 Morse | 337 | Acadia Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 70570 Opelousas | 337 | Saint Landry Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 70571 Opelousas | 337 | Saint Landry Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 71358 Palmetto | 337 | Saint Landry Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 70582 Parks | 337 | Saint Martin Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 70577 Port Barre | 337 | Saint Landry Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 70578 Rayne | 337 | Acadia Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 71345 Rosa | 337 | Saint Landry Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 70582 Saint Martinville | 337 | Saint Martin Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 70582 Saint Martinvlle | 337 | Saint Martin Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 70583 Scott | 337 | Lafayette Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 70584 Sunset | 337 | Saint Landry Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 70589 Washington | 337 | Saint Landry Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 71353 Woodside | 337 | Saint Landry Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |
| 70592 Youngsville | 337 | Lafayette Parish | Louisiana - LA | Lafayette, LA (3880) | MSA |