County FIPS
- 22001 : Acadia Parish
- 22003 : Allen Parish
- 22005 : Ascension Parish
- 22007 : Assumption Parish
- 22009 : Avoyelles Parish
- 22011 : Beauregard Parish
- 22013 : Bienville Parish
- 22015 : Bossier Parish
- 22017 : Caddo Parish
- 22019 : Calcasieu Parish
- 22021 : Caldwell Parish
- 22023 : Cameron Parish
- 22025 : Catahoula Parish
- 22027 : Claiborne Parish
- 22029 : Concordia Parish
- 22031 : De Soto Parish
- 22033 : East Baton Rouge Parish
- 22035 : East Carroll Parish
- 22037 : East Feliciana Parish
- 22039 : Evangeline Parish
- 22041 : Franklin Parish
- 22043 : Grant Parish
- 22045 : Iberia Parish
- 22047 : Iberville Parish
- 22049 : Jackson Parish
- 22051 : Jefferson Parish
- 22053 : Jefferson Davis Parish
- 22055 : Lafayette Parish
- 22057 : Lafourche Parish
- 22059 : La Salle Parish
- 22061 : Lincoln Parish
- 22063 : Livingston Parish
- 22065 : Madison Parish
- 22067 : Morehouse Parish
- 22069 : Natchitoches Parish
- 22071 : Orleans Parish
- 22073 : Ouachita Parish
- 22075 : Plaquemines Parish
- 22077 : Pointe Coupee Parish
- 22079 : Rapides Parish
- 22081 : Red River Parish
- 22083 : Richland Parish
- 22085 : Sabine Parish
- 22087 : St. Bernard Parish
- 22089 : St. Charles Parish
- 22091 : St. Helena Parish
- 22093 : St. James Parish
- 22095 : St. John the Baptist Parish
- 22097 : St. Landry Parish
- 22099 : St. Martin Parish