Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 337 [Rate centres in NPA 337] [Dial plan for NPA 337]

NXX: 645

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
337-645 A Johnsons Bayou LA LFYTLA3624Z  490J DISH WIRELESS, LLC 488      
337-645 0 Johnsons Bayou LA LFYTLA3624Z  490J DISH WIRELESS, LLC 488   2023-08-04   
337-645 4 Johnsons Bayou LA   3232 LEVEL 3 COMMUNICATIONS, LLC - LA 488   2025-04-07   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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