Local Calling Guide

Area code/prefix search

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

NXX: 321

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
337-321 A New Iberia LA SCTTLA06G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488      
337-321 0 New Iberia LA SCTTLA06G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488   2005-11-13   
337-321 1 New Iberia LA SCTTLA06G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488   2005-11-13   
337-321 2 New Iberia LA SCTTLA06G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488   2005-11-13   
337-321 3 New Iberia LA SCTTLA06G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488   2007-05-20   
337-321 4 New Iberia LA LFYTLAMAXEZ  318J COMCAST IP PHONE, LLC 488   2008-08-15   
337-321 5 New Iberia LA LKCHLADTSMD  153F BANDWIDTH.COM CLEC, LLC - LA 488   2010-06-24   
337-321 6 New Iberia LA LFYTLAMAXEZ  318J COMCAST IP PHONE, LLC 488   2009-03-19   
337-321 7 New Iberia LA SCTTLA06G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488   2020-04-04   
337-321 8 New Iberia LA LFYTLAMAX5X  3232 LEVEL 3 COMMUNICATIONS, LLC - LA 488   2020-03-13   
337-321 9 New Iberia LA LFYTLAATX7X  516C AT&T CORP. 488   2011-06-06   

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

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