Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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Switch: KNVLTNMAYHX

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
423-201 9 La Follette TN 318J COMCAST IP PHONE LLC 474   2010-05-31   
423-252 0 Athens TN 318J COMCAST IP PHONE LLC 474   2011-02-22   
423-264 A Vonore TN 318J COMCAST IP PHONE LLC 474      
423-264 0 Vonore TN 318J COMCAST IP PHONE LLC 474   2011-09-04   
423-377 1 La Follette TN 318J COMCAST IP PHONE LLC 474   2016-02-16   
423-393 4 Bulls Gap TN 318J COMCAST IP PHONE LLC 474   2008-11-21   
423-405 5 Athens TN 318J COMCAST IP PHONE LLC 474   2014-07-08   
423-437 8 La Follette TN 318J COMCAST IP PHONE LLC 474   2011-08-18   
423-438 4 Morristown TN 318J COMCAST IP PHONE LLC 474   2008-11-21   
423-449 8 La Follette TN 318J COMCAST IP PHONE LLC 474   2013-10-14   
423-453 5 Athens TN 318J COMCAST IP PHONE LLC 474   2007-04-01   
423-532 7 Newport TN 318J COMCAST IP PHONE LLC 474   2008-08-27   
423-606 A Englewood TN 318J COMCAST IP PHONE LLC 474      
423-606 0 Englewood TN 318J COMCAST IP PHONE LLC 474   2007-04-12   
423-730 A Riceville TN 318J COMCAST IP PHONE LLC 474      
423-730 0 Riceville TN 318J COMCAST IP PHONE LLC 474   2007-04-12   
423-781 7 Etowah TN 318J COMCAST IP PHONE LLC 474   2007-04-01   
423-781 8 Etowah TN 318J COMCAST IP PHONE LLC 474   2015-08-12   
423-808 A Tellico Plains TN 318J COMCAST IP PHONE LLC 474      
423-808 0 Tellico Plains TN 318J COMCAST IP PHONE LLC 474   2007-11-05   
865-200 4 Knoxville TN 318J COMCAST IP PHONE LLC 474   2011-09-01   
865-200 5 Knoxville TN 318J COMCAST IP PHONE LLC 474   2011-09-01   
865-200 8 Knoxville TN 318J COMCAST IP PHONE LLC 474   2011-09-01   
865-219 1 Knoxville TN 318J COMCAST IP PHONE LLC 474   2013-10-14   
865-219 5 Knoxville TN 318J COMCAST IP PHONE LLC 474   2013-08-12   
865-229 2 Greenback TN 318J COMCAST IP PHONE LLC 474   2009-07-17   
865-234 8 Harriman TN 318J COMCAST IP PHONE LLC 474   2015-10-02   
865-240 3 Knoxville TN 318J COMCAST IP PHONE LLC 474   2012-08-20   
865-240 4 Knoxville TN 318J COMCAST IP PHONE LLC 474   2012-08-20   
865-245 8 Rockwood TN 318J COMCAST IP PHONE LLC 474   2007-06-18   
865-247 4 Knoxville TN 318J COMCAST IP PHONE LLC 474   2007-02-17   
865-247 5 Knoxville TN 318J COMCAST IP PHONE LLC 474   2007-02-17   
865-247 6 Knoxville TN 318J COMCAST IP PHONE LLC 474   2007-02-17   
865-247 7 Knoxville TN 318J COMCAST IP PHONE LLC 474   2008-03-05   
865-248 8 Kingston TN 318J COMCAST IP PHONE LLC 474   2007-06-18   
865-249 6 Knoxville TN 318J COMCAST IP PHONE LLC 474   2007-09-14   
865-249 7 Knoxville TN 318J COMCAST IP PHONE LLC 474   2007-09-14   
865-249 8 Knoxville TN 318J COMCAST IP PHONE LLC 474   2007-09-14   
865-264 4 Clinton TN 318J COMCAST IP PHONE LLC 474   2011-08-18   
865-269 4 Clinton TN 318J COMCAST IP PHONE LLC 474   2007-06-18   
865-269 5 Clinton TN 318J COMCAST IP PHONE LLC 474   2015-03-20   
865-270 2 Kingston TN 318J COMCAST IP PHONE LLC 474   2015-01-27   
865-272 3 Oak Ridge TN 318J COMCAST IP PHONE LLC 474   2007-06-18   
865-281 3 Knoxville TN 318J COMCAST IP PHONE LLC 474   2012-12-21   
865-281 5 Knoxville TN 318J COMCAST IP PHONE LLC 474   2013-07-05   
865-285 9 Harriman TN 318J COMCAST IP PHONE LLC 474   2007-06-18   
865-288 4 Concord TN 318J COMCAST IP PHONE LLC 474   2007-02-27   
865-294 4 Oak Ridge TN 318J COMCAST IP PHONE LLC 474   2015-09-17   
865-294 5 Oak Ridge TN 318J COMCAST IP PHONE LLC 474   2012-06-07   
865-298 5 Oak Ridge TN 318J COMCAST IP PHONE LLC 474   2012-06-07   

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Last updated: Tue, 24 Jan 2023 03:01:57 UTC

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