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: 839 [Rate centres in NPA 839] [Dial plan for NPA 839]

NXX: 666

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
839-666 A Estill SC CLMASCTLX3Y  965H FRACTEL, LLC 434      
839-666 0 Estill SC CLMASCSNXZZ  582C TIME WARNER CBLE INFO SVC (SC) DBA TIME WARNER CBL 434   2022-07-24   
839-666 1 Estill SC CLMASCSN14Z  154C PALMETTO TELEPHONE COMMUNICATIONS, LLC - SC 434   2021-08-23   
839-666 2 Estill SC CLMASCTLX4Y  516J TON80 COMMUNICATIONS, LLC 434   2022-04-04   
839-666 3 Estill SC CLMASCSNXSY  548E ONVOY, LLC - SC 434   2021-01-24   
839-666 4 Estill SC CLMASCSNXSY  548E ONVOY, LLC - SC 434   2021-01-24   
839-666 5 Estill SC CLMASCSNXSY  548E ONVOY, LLC - SC 434   2021-01-24   
839-666 6 Estill SC CLMASCTLX3Y  965H FRACTEL, LLC 434   2020-05-26   
839-666 7 Estill SC CLMASCSNXSY  548E ONVOY, LLC - SC 434   2021-07-09   
839-666 8 Estill SC CLMASCSNXSY  548E ONVOY, LLC - SC 434   2021-07-09   
839-666 9 Estill SC CLMASCSAX0Y  318J COMCAST IP PHONE, LLC 434   2022-05-02   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.