Founded in 1807, St. Landry Parish is one of 64 parishes in the state of Louisiana. Historically, St. Landry Parish was one of the original 19 parishes. The city of Opelousas is the parish seat. With FIPS code of 97, St. Landry Parish has a population of 82,071 and area of 939 square miles (2,432 km2).
List of all cities in Saint Landry Parish, LA alphabetically
| City/Town | Postal Code | Area Code |
| Arnaudville, LA | 70512 | 337 |
| Bayou Current, LA | 71353 | 337 |
| Bayou Petite Prairie, LA | 71345 | 337 |
| Bayou Rouge, LA | 71353 | 337 |
| Cankton, LA | 70584 | 337 |
| Elba, LA | 71353 | 337 |
| Eunice, LA | 70535 | 337 |
| Goodwood, LA | 71353 | 337 |
| Grand Coteau, LA | 70541 | 337 |
| Krotz Springs, LA | 70750 | 337 |
| Lawtell, LA | 70550 | 337 |
| Le Moyen, LA | 71356 | 337 |
| Lebeau, LA | 71345 | 337 |
| Leonville, LA | 70551 | 337 |
| Melville, LA | 71353 | 337 |
| Morrow, LA | 71356 | 337 |
| Opelousas, LA | 70570 | 337 |
| 70571 | 337 | |
| Palmetto, LA | 71358 | 337 |
| Port Barre, LA | 70577 | 337 |
| Rosa, LA | 71345 | 337 |
| Sunset, LA | 70584 | 337 |
| Washington, LA | 70589 | 337 |
| Woodside, LA | 71353 | 337 |