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.

OCN: 2214 COLUMBINE TELCO DBA SILVER STAR COMMUNICATIONS

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
208-354 A Driggs ID DRGSIDMADS0  652      
208-456 A Driggs ID DRGSIDMADS0  652      
208-456 0 Driggs ID   652      
208-456 2 Driggs ID   652      
208-483 A Irwin ID DRGSIDMADS0  652      
208-483 2 Irwin ID   652      
208-483 3 Irwin ID   652      
208-491 A Driggs ID DRGSIDMADS2  652      
208-491 0 Driggs ID   652   2019-09-15   
208-574 A Wayan ID DRGSIDMADS0  652      
208-787 A Driggs ID DRGSIDMADS0  652      
307-353 A Alta WY DRGSIDMADS0  652      
307-576 A Leigh Canyon WY DRGSIDMADS0  652      

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.