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.

South Cheyenne, CO

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
970-489 A CSPRWYDN0MD  026D ONVOY, LLC - CO 654      
970-489 0 CHYNWYRF1MD  073H TELNYX LLC 654   2018-05-01   
970-489 1 CSPRWYDN0MD  026D ONVOY, LLC - CO 654   2012-12-12   
970-489 2 CSPRWYDN0MD  026D ONVOY, LLC - CO 654   2012-12-12   
970-489 3 CSPRWYDN0MD  026D ONVOY, LLC - CO 654   2012-12-12   
970-489 4 CSPRWYDN0MD  026D ONVOY, LLC - CO 654   2019-09-09   
970-489 5 CSPRWYDN0MD  026D ONVOY, LLC - CO 654   2020-12-18   
970-489 6 CHYNWYMAXAX  508J CENTURYLINK COMMUNICATIONS, LLC 654   2015-03-18   
970-489 7 CSPRWYDN0MD  026D ONVOY, LLC - CO 654   2007-09-29   
970-489 8 CSPRWYDN0MD  026D ONVOY, LLC - CO 654   2019-12-12   
970-489 9 CHYNWYMAXKX  478J NUSO, LLC 654   2020-10-04   
970-662 A CHYNWYMADS0  9636 QWEST CORPORATION 654      
970-662 0 CHYNWYMAEMD  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 654      
970-662 1 CHYNWYMADS0  9636 QWEST CORPORATION 654      
970-662 2 CHYNWYMADS0  9636 QWEST CORPORATION 654      
970-662 3 CHYNWYMADS0  9636 QWEST CORPORATION 654      
970-662 4 CHYNWYMADS0  9636 QWEST CORPORATION 654      
970-662 5 CHYNWYMADS0  9636 QWEST CORPORATION 654      
970-662 6 CHYNWYMADS0  9636 QWEST CORPORATION 654      
970-662 7 CHYNWYMADS0  9636 QWEST CORPORATION 654      
970-662 8 CHYNWYMADS0  9636 QWEST CORPORATION 654      
970-662 9 CHYNWYMADS0  9636 QWEST CORPORATION 654      
970-802 A CHYNWYMAXGX  624H ONVOY SPECTRUM, LLC 654      
970-802 0 CHYNWYMAXKX  478J NUSO, LLC 654   2023-12-28   
970-802 2 CSPRWYDN0MD  026D ONVOY, LLC - CO 654   2021-10-29   
970-802 3 CHYNWYMAXGX  624H ONVOY SPECTRUM, LLC 654   2021-11-07   
970-802 4 CHYNWYMAXGX  624H ONVOY SPECTRUM, LLC 654   2021-11-07   
970-802 5 CSPRWYDN0MD  026D ONVOY, LLC - CO 654   2021-12-13   
970-802 6 CHYNWYMAXKX  478J NUSO, LLC 654   2023-12-28   
970-802 7 CHYNWYMAXGX  624H ONVOY SPECTRUM, LLC 654   2021-08-23   
970-802 8 CSPRWYDN0MD  026D ONVOY, LLC - CO 654   2022-02-06   
970-802 9 CHYNWYRF2MD  939H COMMIO, LLC 654   2022-11-05   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.