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: 228

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-228 A South Pittsburg TN CHTGTNNS04Z  829J PAETEC ITEL, LLC 472   2024-12-05   
423-228 0 South Pittsburg TN CHTGTNNSXFY  124F BANDWIDTH.COM CLEC, LLC - TN 472   2008-11-28   
423-228 2 South Pittsburg TN CHTGTNNSX8X  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 472   2004-11-15   
423-228 3 South Pittsburg TN CHTGTNNS04Z  829J PAETEC ITEL, LLC 472   2006-04-25   
423-228 4 South Pittsburg TN   792K CHARTER IP ENABLED SERVICES, LLC 472   2006-09-11   
423-228 5 South Pittsburg TN CHTGTNNSX8X  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 472   2007-11-15   
423-228 6 South Pittsburg TN CHTGTNNSXEY  114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN 472   2019-08-01   
423-228 7 South Pittsburg TN CHTGTNNSXFY  124F BANDWIDTH.COM CLEC, LLC - TN 472   2011-05-26   
423-228 8 South Pittsburg TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472   2019-04-12   
423-228 9 South Pittsburg TN CHTGTNMAXVX  516C AT&T CORP. 472   2011-08-29   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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