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: JHCYTNXCX8Y

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
276-213 5 Bristol VA 939H COMMIO, LLC 956   2022-12-04   
276-227 9 Wytheville VA 939H COMMIO, LLC 956   2023-05-26   
276-260 2 Galax VA 939H COMMIO, LLC 956   2022-11-06   
276-261 2 Hillsville VA 939H COMMIO, LLC 956   2022-11-11   
276-310 A Sugar Grove VA 939H COMMIO, LLC 956      
276-310 0 Sugar Grove VA 939H COMMIO, LLC 956   2023-10-21   
276-310 1 Sugar Grove VA 939H COMMIO, LLC 956   2023-10-21   
276-310 2 Sugar Grove VA 939H COMMIO, LLC 956   2023-10-21   
276-310 3 Sugar Grove VA 939H COMMIO, LLC 956   2023-10-21   
276-310 4 Sugar Grove VA 939H COMMIO, LLC 956   2023-10-21   
276-314 A Bland VA 939H COMMIO, LLC 956      
276-314 0 Bland VA 939H COMMIO, LLC 956   2023-10-21   
276-314 1 Bland VA 939H COMMIO, LLC 956   2023-10-21   
276-314 2 Bland VA 939H COMMIO, LLC 956   2023-10-21   
276-314 3 Bland VA 939H COMMIO, LLC 956   2023-10-21   
276-314 4 Bland VA 939H COMMIO, LLC 956   2023-10-21   
276-332 1 Saltville VA 939H COMMIO, LLC 956   2023-05-26   
276-776 0 Abingdon VA 939H COMMIO, LLC 956   2023-06-05   
276-955 0 Marion VA 939H COMMIO, LLC 956   2023-05-26   
423-350 A Bristol TN 939H COMMIO, LLC 956      
423-350 0 Bristol TN 939H COMMIO, LLC 956   2022-09-03   
423-583 2 Sullivan Gardens TN 939H COMMIO, LLC 956   2022-12-11   
423-705 0 Johnson City TN 939H COMMIO, LLC 956   2022-10-23   
423-705 1 Johnson City TN 939H COMMIO, LLC 956   2022-10-23   
423-707 1 Elizabethton TN 939H COMMIO, LLC 956   2022-10-23   
423-806 7 Midway (Washington) TN 939H COMMIO, LLC 956   2022-11-10   
423-812 8 Greeneville TN 939H COMMIO, LLC 956   2022-10-23   
423-817 6 Kingsport TN 939H COMMIO, LLC 956   2022-10-23   
423-850 2 Jonesboro TN 939H COMMIO, LLC 956   2022-12-11   
423-906 6 Johnson City TN 939H COMMIO, LLC 956   2024-02-08   
423-906 7 Johnson City TN 939H COMMIO, LLC 956   2024-02-08   
423-906 8 Johnson City TN 939H COMMIO, LLC 956   2024-02-08   
423-906 9 Johnson City TN 939H COMMIO, LLC 956   2024-02-08   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.