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: 203

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
337-203 A Lacassine LA SCTTLA06G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488      
337-203 0 Lacassine LA SCTTLA06G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488   2025-01-11   
337-203 1 Lacassine LA   792K CHARTER IP ENABLED SERVICES, LLC 488   2025-05-25   
337-203 9 Lacassine LA SCTTLA06G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488   2022-11-11   

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

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