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.

NPA: 865 [Rate centres in NPA 865] [Dial plan for NPA 865]

NXX: 421

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
865-421 A Maryville TN KNVLTNJHGT0  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 474      
865-421 0 Maryville TN KNVNTNEC2MD  939H COMMIO, LLC 474   2022-08-12   
865-421 1 Maryville TN KNVLTNMA56Z  124F BANDWIDTH.COM CLEC, LLC - TN 474   2023-01-07   
865-421 2 Maryville TN KNVLTNMA54Z  114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN 474   2022-08-01   
865-421 3 Maryville TN KNVLTNMA56Z  124F BANDWIDTH.COM CLEC, LLC - TN 474   2023-01-07   
865-421 4 Maryville TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2022-12-31   
865-421 5 Maryville TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2022-12-31   
865-421 6 Maryville TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2022-12-31   
865-421 7 Maryville TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2022-12-31   
865-421 8 Maryville TN KNVLTNJHGT0  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 474   2022-09-03   
865-421 9 Maryville TN KNVLTNJHGT0  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 474   2021-12-19   

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.