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.

Switch: ABRDSDCODS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
605-225 A Aberdeen SD 9631 QWEST CORPORATION 640      
605-226 A Aberdeen SD 9631 QWEST CORPORATION 640      
605-229 A Aberdeen SD 9631 QWEST CORPORATION 640      
605-229 0 Aberdeen SD 9631 QWEST CORPORATION 640      
605-229 1 Aberdeen SD 9631 QWEST CORPORATION 640      
605-229 2 Aberdeen SD 9631 QWEST CORPORATION 640      
605-229 3 Aberdeen SD 9631 QWEST CORPORATION 640      
605-229 4 Aberdeen SD 9631 QWEST CORPORATION 640      
605-229 5 Aberdeen SD 9631 QWEST CORPORATION 640      
605-229 6 Aberdeen SD 9631 QWEST CORPORATION 640      
605-229 7 Aberdeen SD 9631 QWEST CORPORATION 640      
605-229 8 Aberdeen SD 9631 QWEST CORPORATION 640      
605-377 A Aberdeen SD 9631 QWEST CORPORATION 640      
605-377 1 Aberdeen SD 9631 QWEST CORPORATION 640      
605-377 2 Aberdeen SD 9631 QWEST CORPORATION 640      
605-622 A Aberdeen SD 9631 QWEST CORPORATION 640      
605-622 2 Aberdeen SD 9631 QWEST CORPORATION 640      
605-622 3 Aberdeen SD 9631 QWEST CORPORATION 640      
605-622 4 Aberdeen SD 9631 QWEST CORPORATION 640      
605-622 5 Aberdeen SD 9631 QWEST CORPORATION 640      
605-622 7 Aberdeen SD 9631 QWEST CORPORATION 640      
605-626 A Aberdeen SD 9631 QWEST CORPORATION 640      
605-626 0 Aberdeen SD 9631 QWEST CORPORATION 640      
605-626 2 Aberdeen SD 9631 QWEST CORPORATION 640      
605-626 3 Aberdeen SD 9631 QWEST CORPORATION 640      
605-626 4 Aberdeen SD 9631 QWEST CORPORATION 640      
605-626 7 Aberdeen SD 9631 QWEST CORPORATION 640      

Last updated: Sat, 04 Jul 2026 13:07:56 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.