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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: JHCYTNXCXHY

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
276-206 8 Abingdon VA 318J COMCAST IP PHONE LLC 956   2008-04-29   
276-258 5 Abingdon VA 318J COMCAST IP PHONE LLC 956   2011-11-04   
276-429 1 Glade Spring VA 318J COMCAST IP PHONE LLC 956   2008-04-29   
276-475 2 Damascus VA 318J COMCAST IP PHONE LLC 956   2011-05-06   
276-525 8 Abingdon VA 318J COMCAST IP PHONE LLC 956   2015-09-23   
276-644 8 Bristol VA 318J COMCAST IP PHONE LLC 956   2008-04-29   
276-695 9 Meadowview VA 318J COMCAST IP PHONE LLC 956   2008-04-29   
423-207 0 Midway (Washington) TN 318J COMCAST IP PHONE LLC 956   2008-04-05   
423-207 6 Midway (Washington) TN 318J COMCAST IP PHONE LLC 956   2012-06-30   
423-270 2 Erwin TN 318J COMCAST IP PHONE LLC 956   2014-08-29   
423-297 8 Elizabethton TN 318J COMCAST IP PHONE LLC 956   2008-04-05   
423-328 A Johnson City TN 318J COMCAST IP PHONE LLC 956      
423-328 0 Johnson City TN 318J COMCAST IP PHONE LLC 956   2008-04-04   
423-328 3 Johnson City TN 318J COMCAST IP PHONE LLC 956   2013-05-13   
423-328 7 Johnson City TN 318J COMCAST IP PHONE LLC 956   2010-07-10   
423-330 6 Erwin TN 318J COMCAST IP PHONE LLC 956   2008-04-05   
423-349 3 Sullivan Gardens TN 318J COMCAST IP PHONE LLC 956   2008-10-24   
423-406 A Midway (Sullivan) TN 318J COMCAST IP PHONE LLC 956      
423-406 0 Midway (Sullivan) TN 318J COMCAST IP PHONE LLC 956   2008-05-17   
423-426 8 Limestone TN 318J COMCAST IP PHONE LLC 956   2008-04-05   
423-446 8 Fall Branch TN 318J COMCAST IP PHONE LLC 956   2008-06-15   
423-450 A Mosheim TN 318J COMCAST IP PHONE LLC 956      
423-491 8 Johnson City TN 318J COMCAST IP PHONE LLC 956   2015-07-30   
423-525 4 Greeneville TN 318J COMCAST IP PHONE LLC 956   2008-11-21   
423-525 5 Greeneville TN 318J COMCAST IP PHONE LLC 956   2009-06-26   
423-528 4 Baileyton TN 318J COMCAST IP PHONE LLC 956   2008-11-21   
423-588 5 Greeneville TN 318J COMCAST IP PHONE LLC 956   2012-04-21   
423-607 3 Limestone TN 318J COMCAST IP PHONE LLC 956   2015-03-04   
423-609 7 Greeneville TN 318J COMCAST IP PHONE LLC 956   2015-11-27   
423-788 3 Jonesboro TN 318J COMCAST IP PHONE LLC 956   2008-04-05   
423-788 9 Jonesboro TN 318J COMCAST IP PHONE LLC 956   2015-03-04   
423-797 2 Bristol TN 318J COMCAST IP PHONE LLC 956   2008-04-05   
423-806 5 Midway (Washington) TN 318J COMCAST IP PHONE LLC 956   2015-09-21   
423-812 2 Greeneville TN 318J COMCAST IP PHONE LLC 956   2020-12-25   
423-823 9 Greeneville TN 318J COMCAST IP PHONE LLC 956   2014-01-12   
423-850 3 Jonesboro TN 318J COMCAST IP PHONE LLC 956   2021-01-29   
423-896 7 Hampton TN 318J COMCAST IP PHONE LLC 956   2008-06-15   
423-913 4 Jonesboro TN 318J COMCAST IP PHONE LLC 956   2011-08-18   

Last updated: Wed, 12 Jan 2022 16:20:07 UTC

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