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: 986 [Rate centres in NPA 986] [Dial plan for NPA 986]

NXX: 400

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
986-400 A Cascade ID BOISIDPZ9MD  965H FRACTEL, LLC 652      
986-400 0 Cascade ID   965H FRACTEL, LLC 652   2020-08-23   
986-400 1 Cascade ID   689F ONVOY, LLC - ID 652   2021-06-11   
986-400 2 Cascade ID   073H TELNYX LLC 652   2024-12-30   
986-400 3 Cascade ID   624H ONVOY SPECTRUM, LLC 652   2021-07-18   
986-400 4 Cascade ID   965H FRACTEL, LLC 652   2020-08-23   
986-400 5 Cascade ID   689F ONVOY, LLC - ID 652   2021-03-08   
986-400 6 Cascade ID   689F ONVOY, LLC - ID 652   2020-08-25   
986-400 7 Cascade ID   808G TELEPORT COMMUNICATIONS AMERICA, LLC - ID 652   2020-11-10   
986-400 8 Cascade ID   689F ONVOY, LLC - ID 652   2020-08-25   
986-400 9 Cascade ID   192F BANDWIDTH.COM CLEC, LLC - ID 652   2022-07-16   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.