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: 417

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
970-417 A Montrose CO DNVRCOII4MD  5562 METROPCS, INC. 656      
970-417 0 Montrose CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2008-03-08   
970-417 1 Montrose CO DNVRCOII4MD  5562 METROPCS, INC. 656      
970-417 2 Montrose CO DNVRCOII4MD  5562 METROPCS, INC. 656      
970-417 3 Montrose CO DNVRCOII4MD  5562 METROPCS, INC. 656      
970-417 4 Montrose CO GDJTCOFD5MD  792K CHARTER IP ENABLED SERVICES, LLC 656   2008-05-05   
970-417 5 Montrose CO DNVRCOII4MD  5562 METROPCS, INC. 656      
970-417 6 Montrose CO DNVRCOII4MD  5562 METROPCS, INC. 656      
970-417 7 Montrose CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2008-06-01   
970-417 8 Montrose CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2008-11-21   
970-417 9 Montrose CO DNVRCOII4MD  5562 METROPCS, INC. 656      

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.