Area codes 318 and 457

Area codes 318 and 457 are telephone area codes that cover northern and central Louisiana. 318 was overlaid by 457 in 2025.

Its headquarters and largest city in Shreveport, is the parish seat of Caddo Parish.

Largest City with Parish seats

Cities Top-20 Parish Seat

 #  City  Parish  Class of City  Population 2010 1  Shreveport  Caddo/Bossier  3rd  199,311 2  Monroe  Unknown  8th  48,815 3  Alexandria  Rapides  9th  47,723 4  Ruston  Linclon  14th  21,859 5  Natchitoches  Natchitoches  17th  Example 6  Minden  Webster  Unknown  Example 7  Bastrop  Morehouse  Example  Example 8  DeRidder  Beauregard/Vernon  Example  Example 9  Tallulah  Madison  Example  Example 10  Leesville  Vernon  Example  Example 11  Mansfield  DeSoto  Example  Example 12  Winnsboro  Franklin  Example  Example 13  Winnfield  Winn  Example  Example 14  Jonesboro  Jackson  Example  Example 15  Vidalia  Example  Example  Example 16  Lake Providence  East Carroll  Example  Example 17  Farmerville  Union  Example  Example 18  Rayville  Richland  Example  Example 19  Jena  La Salle    Example 20  Homer  Claiborne  Example  Example

References

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