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: 644

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
970-644 A Grand Junction CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2020-12-19   
970-644 0 Grand Junction CO AURSCOTYCM0  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2014-03-26   
970-644 1 Grand Junction CO AURSCOTYCM0  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2013-03-11   
970-644 2 Grand Junction CO AURSCOTYCM0  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2014-01-06   
970-644 3 Grand Junction CO GDJTCOMADS0  9636 QWEST CORPORATION 656   2014-01-20   
970-644 4 Grand Junction CO DNVTCOUZDS0  4788 MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- CO 656   2014-01-20   
970-644 5 Grand Junction CO GDJTCOFDPS1  383E BRESNAN BROADBAND OF COLORADO, LLC - CO (CHARTER) 656   2014-03-02   
970-644 6 Grand Junction CO DNVTCOZIDS1  026D ONVOY, LLC CO 656   2013-04-13   
970-644 7 Grand Junction CO AURSCOTYCM0  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2014-04-28   
970-644 8 Grand Junction CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2013-04-26   
970-644 9 Grand Junction CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2013-04-26   

Last updated: Tue, 04 May 2021 15:04:27 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.