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: 291

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
970-291 A Steamboat Springs CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656      
970-291 0 Steamboat Springs CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2021-08-09   
970-291 1 Steamboat Springs CO   5562 METROPCS, INC. 656      
970-291 2 Steamboat Springs CO DNVRCOMA40Z  506J TWILIO INTERNATIONAL, INC. 656   2020-12-18   
970-291 3 Steamboat Springs CO DNVRCOII4MD  5562 METROPCS, INC. 656   2021-05-10   
970-291 4 Steamboat Springs CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2021-05-07   
970-291 6 Steamboat Springs CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2021-05-07   
970-291 7 Steamboat Springs CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656   2021-02-28   
970-291 8 Steamboat Springs CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2018-07-19   
970-291 9 Steamboat Springs CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.