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: BRNDSDXA582

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
507-597 A East Garretson MN 1657 ALLIANCE COMM. COOPERATIVE, INC. (SPLIT ROCK) 640      
605-482 A Oldham-Ramona SD 1657 ALLIANCE COMM. COOPERATIVE, INC. (SPLIT ROCK) 640      
605-529 A Baltic SD 1642 ALLIANCE COMMUNICATIONS COOPERATIVE, INC. (BALTIC) 640      
605-543 A Crooks SD 1642 ALLIANCE COMMUNICATIONS COOPERATIVE, INC. (BALTIC) 640      
605-582 A Brandon SD 1657 ALLIANCE COMM. COOPERATIVE, INC. (SPLIT ROCK) 640      
605-594 A Garretson SD 1657 ALLIANCE COMM. COOPERATIVE, INC. (SPLIT ROCK) 640      
605-757 A Valley Springs SD 280D ALLIANCE COMMUNICATIONS COOPERATIVE, INC. - SD 640      
605-772 A Howard SD 1657 ALLIANCE COMM. COOPERATIVE, INC. (SPLIT ROCK) 640      
605-934 A Alcester SD 1642 ALLIANCE COMMUNICATIONS COOPERATIVE, INC. (BALTIC) 640      
605-984 A Hudson SD 1642 ALLIANCE COMMUNICATIONS COOPERATIVE, INC. (BALTIC) 640      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.