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: 452

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
970-452 A Aspen CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
970-452 0 Aspen CO DNVRCO26XIX  073H TELNYX LLC 656      
970-452 1 Aspen CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
970-452 2 Aspen CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656      
970-452 3 Aspen CO DNVRCO26XSX  145J TERRA NOVA TELECOM INC. 656      
970-452 4 Aspen CO FTCLCOMAAMD  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
970-452 5 Aspen CO DNVRCO03DS1  5972 INTERLINK ADV SVC DBA FORETHOUGHT.NET - CO 656      
970-452 6 Aspen CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
970-452 7 Aspen CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
970-452 8 Aspen CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656      
970-452 9 Aspen CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.