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: 475

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
970-475 A Greeley CO DNVTCOUZ0MD  829J PAETEC ITEL, LLC 656      
970-475 0 Greeley CO DNVTCOUZ0MD  829J PAETEC ITEL, LLC 656      
970-475 1 Greeley CO DNVTCOUZ0MD  829J PAETEC ITEL, LLC 656      
970-475 2 Greeley CO DNVTCOUZ0MD  829J PAETEC ITEL, LLC 656      
970-475 3 Greeley CO DNVTCOUZ0MD  829J PAETEC ITEL, LLC 656      
970-475 4 Greeley CO   026D ONVOY, LLC - CO 656   2009-02-09   
970-475 5 Greeley CO DNVTCOUZ0MD  829J PAETEC ITEL, LLC 656      
970-475 6 Greeley CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2009-02-26   
970-475 7 Greeley CO DNVTCOUZ0MD  829J PAETEC ITEL, LLC 656      
970-475 8 Greeley CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2017-06-22   
970-475 9 Greeley CO DNVTCOUZ0MD  829J PAETEC ITEL, LLC 656      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.