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: 377

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-377 A La Follette TN KNVLTNMA31Z  6278 UNITED STATES CELLULAR - TN 474      
423-377 0 La Follette TN KNVLTNMA56Z  124F BANDWIDTH.COM CLEC, LLC - TN 474      
423-377 1 La Follette TN KNVLTNMAYHX  318J COMCAST IP PHONE, LLC 474      
423-377 3 La Follette TN KNVLTNIIAMD  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474      
423-377 4 La Follette TN KNVLTNMA56Z  124F BANDWIDTH.COM CLEC, LLC - TN 474      
423-377 5 La Follette TN KNVLTNIIAMD  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474      
423-377 6 La Follette TN KNVLTNMA56Z  124F BANDWIDTH.COM CLEC, LLC - TN 474      
423-377 7 La Follette TN KNVLTNMA31Z  6278 UNITED STATES CELLULAR - TN 474      
423-377 8 La Follette TN KNVLTNIIAMD  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474      
423-377 9 La Follette TN KNVLTNIIAMD  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474      

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

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