| | Lincoln Parish | LA | 22061 | | Ruston, LA 40820 | Monroe-Ruston, LA 384 | Central | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=LincolnParish+LA |
| | Madison Parish | LA | 22065 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=MadisonParish+LA |
| | Morehouse Parish | LA | 22067 | | Monroe, LA 33740 | Monroe-Ruston, LA 384 | Outlying | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=MorehouseParish+Louisiana |
| | Natchitoches Parish | LA | 22069 | | Natchitoches, LA 35060 | | Central | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=NatchitochesParish+LA |
| | Red River Parish | LA | 22081 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=RedRiverParish+LA |
| | Richland Parish | LA | 22083 | | Monroe, LA 33740 | Monroe-Ruston, LA 384 | Outlying | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=RichlandParish+LA |
| | Sabine Parish | LA | 22085 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=SabineParish+LA |
| | St. Landry Parish | LA | 22097 | | Opelousas, LA 36660 | Lafayette-New
Iberia-Opelousas, LA 318 | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=St.LandryParish+LA |
| | St. Mary Parish | LA | 22101 | | Morgan City, LA 34020 | | Central | nonmetro county (rural) | mining-dependent | https://maps.google.com/?q=St.MaryParish+LA |
| | Tensas Parish | LA | 22107 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=TensasParish+LA |