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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 337 [Rate centres in NPA 337] [Dial plan for NPA 337]

NXX: 612

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
337-612 A Iota LA ABVLLACT0MD  4930 LOUISIANA COMPETITIVE TELECOMMUNICATIONS, INC. 488      
337-612 0 Iota LA OPLSLACO0MD  350D CHARTER FIBERLINK LA-CCO, LLC - LA 488   2017-05-20   
337-612 1 Iota LA ABVLLACT0MD  4930 LOUISIANA COMPETITIVE TELECOMMUNICATIONS, INC. 488   2016-08-20   
337-612 2 Iota LA LFYTLAMAX9Y  749E ONVOY, LLC - LA 488   2021-02-19   
337-612 3 Iota LA LFYTLAMAX9Y  749E ONVOY, LLC - LA 488   2021-04-05   
337-612 6 Iota LA LFYTLAMAX9Y  749E ONVOY, LLC - LA 488   2019-08-31   
337-612 8 Iota LA LFYTLA364MD  939H COMMIO, LLC 488   2022-10-15   
337-612 9 Iota LA LFYTLAMAX7Z  624H ONVOY SPECTRUM, LLC 488   2023-07-23   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.