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.

Tyndall, SD

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
605-464 A SXFLSDTUCM0  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640      
605-464 0 SXFLSDTUCM0  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640      
605-464 1 SXFLSDTUCM0  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640      
605-464 4 SXFLSDTUCM0  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640      
605-464 7 SXFLSDTUCM0  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640      
605-464 9 SXFLSDTUCM0  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640      
605-589 A TYNDSDXARS1  1660 FORT RANDALL TELCO DBA MT RUSHMORE TELEPHONE CO 640      

Last updated: Tue, 04 May 2021 15:04:27 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.