Local Calling Guide

Area code/prefix search

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NPA: 334 [Rate centres in NPA 334] [Dial plan for NPA 334]

NXX: 542

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
334-542 A Red Level AL MTGMAL10X2X  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 478      
334-542 0 Red Level AL MTGMALIR7MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 478   2020-04-09   
334-542 1 Red Level AL DTHNALXAXNX  593K MCC TELEPHONY LLC 478   2017-06-16   
334-542 2 Red Level AL MTGMALIR7MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 478   2020-04-09   
334-542 3 Red Level AL MTGMAL10X2X  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 478   2008-12-14   
334-542 4 Red Level AL DTHNALXAXQX  604E ONVOY, LLC - AL 478   2019-11-07   
334-542 5 Red Level AL DTHNALXAXTX  624H ONVOY SPECTRUM, LLC 478   2024-03-05   
334-542 6 Red Level AL MTGMALMTX9Z  5255 LEVEL 3 COMMUNICATIONS, LLC - AL 478   2021-07-23   
334-542 7 Red Level AL DTHNALXAXCX  508J CENTURYLINK COMMUNICATIONS, LLC 478   2013-09-13   
334-542 8 Red Level AL DTHNALXAXQX  604E ONVOY, LLC - AL 478   2021-03-15   
334-542 9 Red Level AL MTGMAL10X2X  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 478   2013-05-16   

Last updated: Tue, 29 Sep 2026 03:00:13 UTC

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