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: 436

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-436 A Madisonville TN KNVLTNMANMD  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 474      
423-436 0 Madisonville TN KNVLTNMANMD  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 474      
423-436 1 Madisonville TN KNVLTNMA56Z  124F BANDWIDTH.COM CLEC, LLC - TN 474      
423-436 2 Madisonville TN KNVLTNMA56Z  124F BANDWIDTH.COM CLEC, LLC - TN 474      
423-436 3 Madisonville TN KNVLTNIIDS0  7278 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN 474      
423-436 4 Madisonville TN KNVLTNMA56Z  124F BANDWIDTH.COM CLEC, LLC - TN 474      
423-436 5 Madisonville TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474      
423-436 6 Madisonville TN KNVLTNMA54Z  114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN 474      
423-436 7 Madisonville TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474      
423-436 8 Madisonville TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474      
423-436 9 Madisonville TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474      

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

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