Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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Switch: NWORLAMAX6Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
504-216 A Kenner LA 8839 ADVANCED TEL., INC. - LA 490      
504-297 A New Orleans LA 8839 ADVANCED TEL., INC. - LA 490      
985-213 A Larose LA 8839 ADVANCED TEL., INC. - LA 490      
985-216 A Galliano LA 8839 ADVANCED TEL., INC. - LA 490      
985-219 A Houma LA 8839 ADVANCED TEL., INC. - LA 490      
985-220 A Mandeville LA 8839 ADVANCED TEL., INC. - LA 490      
985-245 A Morgan City LA 8839 ADVANCED TEL., INC. - LA 490      
985-254 A Hammond LA 8839 ADVANCED TEL., INC. - LA 490      
985-296 A Montegut LA 8839 ADVANCED TEL., INC. - LA 490      
985-301 A Golden Meadow LA 8839 ADVANCED TEL., INC. - LA 490      
985-405 A Slidell LA 8839 ADVANCED TEL., INC. - LA 490      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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