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: 743

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
970-743 A Fort Morgan CO DNVRCOMA31Z  710A ALLO COMMUNICATIONS, LLC - NE 656      
970-743 0 Fort Morgan CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2019-06-08   
970-743 3 Fort Morgan CO DNVRCOMA31Z  710A ALLO COMMUNICATIONS, LLC - NE 656   2018-10-14   
970-743 7 Fort Morgan CO   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2021-03-04   
970-743 8 Fort Morgan CO   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2021-02-12   
970-743 9 Fort Morgan CO   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2021-04-12   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.