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: 545

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-545 A Madisonville TN KNVLTNMANMD  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 474      
423-545 0 Madisonville TN KNVLTNMA56Z  124F BANDWIDTH.COM CLEC, LLC - TN 474      
423-545 1 Madisonville TN ALNAPAALXTX  073H TELNYX LLC 474      
423-545 2 Madisonville TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474      
423-545 3 Madisonville TN KNVLTNMA84Z  516C AT&T CORP. 474      
423-545 4 Madisonville TN KNVLTNMANMD  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 474      
423-545 5 Madisonville TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474      
423-545 6 Madisonville TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474      
423-545 7 Madisonville TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474      
423-545 8 Madisonville TN   792K CHARTER IP ENABLED SERVICES, LLC 474      
423-545 9 Madisonville TN   792K CHARTER IP ENABLED SERVICES, LLC 474      

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

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