Local Calling Guide

Area code/prefix search

Search by area code/prefix (NPA/NXX) or OCN

  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Last updated: Tue, 09 Sep 2014 10:41:45 UTC

How to use this page

NPA: 423 [Rate centres in NPA 423] [Dial plan for NPA 423]

NXX: 797

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA Eff date Disc date Map
423-797 A Bristol TN BRSTTN02CM1 6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN [link] 956 map
423-797 0 Bristol TN 6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN [link] 956
423-797 1 Bristol TN 6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN [link] 956
423-797 2 Bristol TN 408D COMCAST PHONE OF TENNESSEE, LLC - TN [link] 956 2008-04-05
423-797 4 Bristol TN 704C CHARTER FIBERLINK - TENNESSEE, LLC - TN [link] 956 2012-08-08
423-797 5 Bristol TN 704C CHARTER FIBERLINK - TENNESSEE, LLC - TN [link] 956 2012-10-07
423-797 6 Bristol TN 124F BANDWIDTH.COM CLEC, LLC - TN [link] 956 2012-11-24
423-797 7 Bristol TN 7575 CENTURYLINK COMMUNICATIONS LLC [link] 956 2014-04-19
423-797 8 Bristol TN 124F BANDWIDTH.COM CLEC, LLC - TN [link] 956 2014-07-25



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