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: 970 [Rate centres in NPA 970] [Dial plan for NPA 970]

NXX: 973

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
970-973 A Glenwood Springs CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656      
970-973 0 Glenwood Springs CO DNVRCO26XIX  073H TELNYX LLC 656   2019-03-20   
970-973 1 Glenwood Springs CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2021-10-07   
970-973 2 Glenwood Springs CO DNVRCOMA40Z  506J TWILIO INTERNATIONAL, INC. 656   2020-12-18   
970-973 3 Glenwood Springs CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2019-09-09   
970-973 4 Glenwood Springs CO DNVRCO26XUX  516J TON80 COMMUNICATIONS, LLC 656   2021-11-20   
970-973 6 Glenwood Springs CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2019-11-11   
970-973 7 Glenwood Springs CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656   2018-11-25   
970-973 8 Glenwood Springs CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656   2018-11-25   
970-973 9 Glenwood Springs CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656   2018-11-25   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.