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: 525

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
970-525 A Paonia CO DNVRCO26XUX  516J TON80 COMMUNICATIONS, LLC 656      
970-525 0 Paonia CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2023-07-22   
970-525 2 Paonia CO DNVRCO26XUX  516J TON80 COMMUNICATIONS, LLC 656   2022-05-16   
970-525 3 Paonia CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2022-09-30   
970-525 4 Paonia CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2023-02-05   
970-525 5 Paonia CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2022-12-21   
970-525 7 Paonia CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2023-08-06   

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.