Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 334 [Rate centres in NPA 334] [Dial plan for NPA 334]

NXX: 600

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
334-600 A Holtville AL MTGMALMT47Z  5562 METROPCS, INC. 478      
334-600 0 Holtville AL MTGMALMT47Z  5562 METROPCS, INC. 478   2015-02-20   
334-600 1 Holtville AL MTGMALMTXTZ  604E ONVOY, LLC - AL 478   2016-03-14   
334-600 2 Holtville AL MTGMALMTXTZ  604E ONVOY, LLC - AL 478   2016-03-14   
334-600 3 Holtville AL MTGMALMT47Z  5562 METROPCS, INC. 478   2015-02-23   
334-600 4 Holtville AL MTGMALMT05Z  072F BANDWIDTH.COM CLEC, LLC - AL 478   2016-07-18   
334-600 5 Holtville AL MTGMALMTXTZ  604E ONVOY, LLC - AL 478   2017-06-01   
334-600 6 Holtville AL   145J TERRA NOVA TELECOM INC. 478   2025-07-31   
334-600 7 Holtville AL MTGMALMTXTZ  604E ONVOY, LLC - AL 478   2017-06-01   
334-600 8 Holtville AL MTGMALMTXTZ  604E ONVOY, LLC - AL 478   2020-09-25   
334-600 9 Holtville AL MTGMALMT47Z  5562 METROPCS, INC. 478   2015-02-20   

Last updated: Tue, 15 Jul 2025 18:46:49 UTC

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