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: 670

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-670 A Johnson City TN JHCYTNXCXJY  515J IP HORIZON LLC 956      
423-670 0 Johnson City TN JHCYTNXCXNX  124F BANDWIDTH.COM CLEC, LLC - TN 956   2023-03-11   
423-670 1 Johnson City TN   515J IP HORIZON LLC 956   2020-11-14   
423-670 2 Johnson City TN JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956   2021-05-17   
423-670 3 Johnson City TN JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956   2021-05-17   
423-670 4 Johnson City TN JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956   2021-05-17   
423-670 5 Johnson City TN JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956   2021-05-17   
423-670 6 Johnson City TN JHCYTNXCXPX  525E ONVOY, LLC - TN 956   2021-01-06   
423-670 7 Johnson City TN JHCYTNXCXPX  525E ONVOY, LLC - TN 956   2021-01-06   
423-670 8 Johnson City TN JHCYTNXCXPX  525E ONVOY, LLC - TN 956   2023-02-26   
423-670 9 Johnson City TN JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956   2021-12-18   

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

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