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: 549

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-549 A Johnson City TN JHCYTNXCXFY  197D VONAGE AMERICA LLC 956      
423-549 0 Johnson City TN JHCYTNXCXFY  197D VONAGE AMERICA LLC 956      
423-549 1 Johnson City TN JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956      
423-549 2 Johnson City TN JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956      
423-549 3 Johnson City TN JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956      
423-549 4 Johnson City TN JHCYTNXCXPX  525E ONVOY, LLC - TN 956      
423-549 5 Johnson City TN JHCYTNXCXPX  525E ONVOY, LLC - TN 956      
423-549 6 Johnson City TN JHCYTNXCXRX  114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN 956      
423-549 7 Johnson City TN JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956      
423-549 8 Johnson City TN JHCYTNXCXPY  624H ONVOY SPECTRUM, LLC 956      
423-549 9 Johnson City TN JHCYTNXCXPY  624H ONVOY SPECTRUM, LLC 956      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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