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: 6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD

<< 1 2 3 4 5 6 7 8

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
605-981 0 Rapid City SD SXFLSDCOX9X  640   2020-10-26   
605-982 8 Aberdeen SD SXFLSDCOX9X  640   2022-09-13   
605-988 4 Sioux Falls SD SXFLSDCOX9X  640   2006-06-21   
605-999 A Mitchell SD SXFLSDCOX9X  640      

<< 1 2 3 4 5 6 7 8

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.