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: 454

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
337-454 A Cecelia LA LFYTLAMAXEZ  318J COMCAST IP PHONE, LLC 488      
337-454 0 Cecelia LA   4930 LOUISIANA COMPETITIVE TELECOMMUNICATIONS, INC. 488   2016-07-22   
337-454 1 Cecelia LA   624H ONVOY SPECTRUM, LLC 488   2023-07-22   
337-454 2 Cecelia LA   749E ONVOY, LLC - LA 488   2019-10-14   
337-454 3 Cecelia LA   749E ONVOY, LLC - LA 488   2019-10-14   
337-454 4 Cecelia LA   318J COMCAST IP PHONE, LLC 488   2018-04-11   
337-454 5 Cecelia LA   749E ONVOY, LLC - LA 488   2019-09-01   
337-454 6 Cecelia LA   318J COMCAST IP PHONE, LLC 488      
337-454 7 Cecelia LA   3232 LEVEL 3 COMMUNICATIONS, LLC - LA 488   2014-09-10   
337-454 8 Cecelia LA   749E ONVOY, LLC - LA 488   2021-02-25   
337-454 9 Cecelia LA   749E ONVOY, LLC - LA 488   2021-02-25   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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