Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 423 [Rate centres in NPA 423] [Dial plan for NPA 423]

NXX: 672

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-672 A Johnson City TN JHCYTNXCXAY  073H TELNYX LLC 956      
423-672 0 Johnson City TN JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956   2022-12-10   
423-672 1 Johnson City TN JHCYTNXCXAY  073H TELNYX LLC 956   2020-02-17   
423-672 2 Johnson City TN JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956   2021-05-17   
423-672 3 Johnson City TN JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956   2021-05-17   
423-672 4 Johnson City TN JHCYTNXCXPX  525E ONVOY, LLC - TN 956   2021-05-22   
423-672 5 Johnson City TN JHCYTNXCXPX  525E ONVOY, LLC - TN 956   2021-05-22   
423-672 6 Johnson City TN JHCYTNXCXPY  624H ONVOY SPECTRUM, LLC 956   2021-10-08   
423-672 7 Johnson City TN JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956   2022-12-10   
423-672 8 Johnson City TN JHCYTNXCX2Y  8645 SUNCOM DBA T-MOBILE USA 956   2022-02-07   
423-672 9 Johnson City TN JHCYTNXCX2Y  8645 SUNCOM DBA T-MOBILE USA 956   2022-02-07   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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