Local Union 623 Territorial Jurisdiction by County/Parish:

LOUISIANA
Acadia, Allen, Ascension, Assumption, Avoyelles, Beauregard, Bienville, Bossier, Caddo, Calcasieu, Caldwell, Cameron, Catahoula, Claiborne, Concordia, De Soto, East Baton Rouge, East Carroll, East Feliciana, Evangeline, Franklin, Grant, Iberia, Iberville, Jackson, Jefferson Davis, La Salle, Lafayette, Lafourche, Lincoln, Livingston, Madison, Morehouse, Natchitoches, Ouachita, Pointe Coupee, Rapides, Red River, Richland, Sabine, St. Helena, St. James, St. John The Baptist, St. Landry, St. Martin, St. Mary, Tangipahoa, Tensas, Terrebonne, Union, Vermilion, Vernon, Washington, Webster, West Baton Rouge, West Carroll, West Feliciana, Winn

MISSISSIPPI
Adams, Amite, Attala, Carroll, Choctaw, Claiborne, Clarke, Copiah, Covington, Franklin, Hancock, Harrison, Hinds, Holmes, Humphreys, Issaquena, Jasper, Jefferson, Jefferson Davis, Jones, Lamar, Lawrence, Leake, Leflore, Lincoln, Madison, Marion, Montgomery, Neshoba, Newton, Oktibbeha, Peal River, Pike, Rankin, Scott, Sharkey, Simpson, Smith, Sunflower, Walthall, Warren, Washington, Webster, Wilkinson, Winston, Yazoo