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: 423

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
334-423 A Banks AL DTHNALXAXQX  604E ONVOY, LLC - AL 478      
334-423 0 Banks AL DTHNALXAXQX  604E ONVOY, LLC - AL 478   2022-12-10   
334-423 1 Banks AL DTHNALXAXTX  624H ONVOY SPECTRUM, LLC 478   2024-03-05   
334-423 2 Banks AL DTHNALXAXQX  604E ONVOY, LLC - AL 478   2020-06-21   
334-423 3 Banks AL DTHNALXAXQX  604E ONVOY, LLC - AL 478   2020-06-21   
334-423 4 Banks AL DTHNALXAXQX  604E ONVOY, LLC - AL 478   2019-11-07   
334-423 6 Banks AL DTHNALXAXQX  604E ONVOY, LLC - AL 478   2021-07-30   
334-423 7 Banks AL MTGMALMTX9Z  5255 LEVEL 3 COMMUNICATIONS, LLC - AL 478   2013-09-13   
334-423 8 Banks AL DTHNALXAXQX  604E ONVOY, LLC - AL 478   2021-03-15   
334-423 9 Banks AL DTHNALXAXQX  604E ONVOY, LLC - AL 478   2021-09-18   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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