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.

Ferney, SD

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
605-395 A FRNYSDXARS0  1664 JAMES VALLEY COOPERATIVE TELEPHONE COMPANY 640      
605-395 0 FRNYSDXARS0  1664 JAMES VALLEY COOPERATIVE TELEPHONE COMPANY 640      
605-395 1 FRNYSDXARS0  1664 JAMES VALLEY COOPERATIVE TELEPHONE COMPANY 640      
605-395 2 FRNYSDXARS0  1664 JAMES VALLEY COOPERATIVE TELEPHONE COMPANY 640      
605-395 3 FRNYSDXARS0  1664 JAMES VALLEY COOPERATIVE TELEPHONE COMPANY 640      
605-395 4 FRNYSDXARS0  1664 JAMES VALLEY COOPERATIVE TELEPHONE COMPANY 640      
605-395 5 FRNYSDXARS0  1664 JAMES VALLEY COOPERATIVE TELEPHONE COMPANY 640      
605-395 6 FRNYSDXARS0  1664 JAMES VALLEY COOPERATIVE TELEPHONE COMPANY 640      
605-395 7 ABRDSDCO0MD  815E JAMES VALLEY WIRELESS, LLC 640      
605-395 8 FRNYSDXARS0  1664 JAMES VALLEY COOPERATIVE TELEPHONE COMPANY 640      
605-395 9 FRNYSDXARS0  1664 JAMES VALLEY COOPERATIVE TELEPHONE COMPANY 640      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.