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: JHCYTNXCXPY

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
276-268 8 Bristol VA 624H ONVOY SPECTRUM, LLC 956   2023-04-27   
276-776 A Abingdon VA 624H ONVOY SPECTRUM, LLC 956      
276-776 7 Abingdon VA 624H ONVOY SPECTRUM, LLC 956   2023-06-01   
423-549 8 Johnson City TN 624H ONVOY SPECTRUM, LLC 956   2022-01-15   
423-549 9 Johnson City TN 624H ONVOY SPECTRUM, LLC 956   2022-01-15   
423-550 8 Midway (Washington) TN 624H ONVOY SPECTRUM, LLC 956   2023-04-27   
423-631 4 Johnson City TN 624H ONVOY SPECTRUM, LLC 956   2024-01-05   
423-666 4 Elizabethton TN 624H ONVOY SPECTRUM, LLC 956   2023-04-27   
423-672 6 Johnson City TN 624H ONVOY SPECTRUM, LLC 956   2021-10-08   
423-705 3 Johnson City TN 624H ONVOY SPECTRUM, LLC 956   2022-03-17   
423-705 4 Johnson City TN 624H ONVOY SPECTRUM, LLC 956   2022-03-17   
423-705 6 Johnson City TN 624H ONVOY SPECTRUM, LLC 956   2022-08-15   
423-705 7 Johnson City TN 624H ONVOY SPECTRUM, LLC 956   2022-08-15   
423-705 8 Johnson City TN 624H ONVOY SPECTRUM, LLC 956   2022-08-15   
423-705 9 Johnson City TN 624H ONVOY SPECTRUM, LLC 956   2022-08-15   
423-766 8 Limestone TN 624H ONVOY SPECTRUM, LLC 956   2023-04-27   
423-770 2 Church Hill TN 624H ONVOY SPECTRUM, LLC 956   2023-04-27   
423-812 9 Greeneville TN 624H ONVOY SPECTRUM, LLC 956   2023-04-27   
423-817 7 Kingsport TN 624H ONVOY SPECTRUM, LLC 956   2023-04-27   
423-835 0 Bristol TN 624H ONVOY SPECTRUM, LLC 956   2023-05-21   
423-905 A Johnson City TN 624H ONVOY SPECTRUM, LLC 956      
423-905 9 Johnson City TN 624H ONVOY SPECTRUM, LLC 956   2021-06-14   
423-906 0 Johnson City TN 624H ONVOY SPECTRUM, LLC 956   2024-01-05   
423-913 9 Jonesboro TN 624H ONVOY SPECTRUM, LLC 956   2023-04-27   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.