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: 983 [Rate centres in NPA 983] [Dial plan for NPA 983]

NXX: 207

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
983-207 A Longmont CO   026D ONVOY, LLC - CO 656   2024-11-02   
983-207 0 Longmont CO   026D ONVOY, LLC - CO 656      
983-207 1 Longmont CO   732J NUSO, LLC 656      
983-207 2 Longmont CO   732J NUSO, LLC 656      
983-207 3 Longmont CO   026D ONVOY, LLC - CO 656      
983-207 4 Longmont CO   026D ONVOY, LLC - CO 656      
983-207 5 Longmont CO   6529 T-MOBILE USA, INC. 656      
983-207 6 Longmont CO   026D ONVOY, LLC - CO 656      
983-207 7 Longmont CO   078F BANDWIDTH.COM CLEC, LLC - CO 656      
983-207 8 Longmont CO   078F BANDWIDTH.COM CLEC, LLC - CO 656      
983-207 9 Longmont CO   078F BANDWIDTH.COM CLEC, LLC - CO 656      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.