1. World Map/
  2. North America/
  3. US/
  4. Area Codes/
  5. Area Code 504

Where Is Area Code 504?

Area code 504 is found in the US state of Louisiana. Primarily servicing the city of New Orleans (population: 369241), area code 504 covers 4 parishes of Louisiana.

Located in the Central time zone, area code 504 is on the same time as Chicago, IL.

Area code 504 was brought into effect on January 1, 1947.

Map of Louisiana with area code 504 highlighted

Counties in Area Code 504

  • Jefferson,
  • Orleans,
  • Plaquemines,
  • Saint Bernard.

Most Populous Cities in Area Code 504

City County City Population Time Zone
New Orleans Orleans 369,241 CST
Metairie Jefferson 137,421 CST
Kenner Jefferson 68,387 CST
Marrero Jefferson 56,490 CST
Gretna Jefferson 55,724 CST
Harvey Jefferson 39,990 CST
New Orleans Jefferson 38,603 CST
Westwego Jefferson 31,751 CST
Chalmette Saint Bernard 19,439 CST
Violet Saint Bernard 7,714 CST
Saint Bernard Saint Bernard 5,134 CST
Meraux Saint Bernard 5,123 CST
Arabi Saint Bernard 4,216 CST
Lafitte Jefferson 2,764 CST
Buras Plaquemines 2,471 CST
Port Sulphur Plaquemines 2,442 CST
Braithwaite Plaquemines 1,665 CST
Grand Isle Jefferson 1,299 CST
Barataria Jefferson 1,230 CST

Note: The above list is based off of the top 25 most populous cities in the area code as per 2012 United States Census Bureau estimates.

View all United States Area Codes.

Trending on WorldAtlas

This page was last updated on July 3, 2015.