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: INWDIAXODS0

Remotes:

Switch Switch name Switch type
ALVRIAXORS4  ALVORD  DC1 
HILSMNXHRS9  HILLS  DC1 
LRWDIAXORS0  LARCHWOOD  RS 
STENMNXSRS8  STEEN  DC1 
VYSPSDXARS2  VALLEY SPRINGS  A5S 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
712-473 A Alvord IA 1405 ALLIANCE COMMUNICATIONS COOPERATIVE, INC. - IA 630      
712-477 A Larchwood IA 1405 ALLIANCE COMMUNICATIONS COOPERATIVE, INC. - IA 630      
712-478 A Lester IA 1405 ALLIANCE COMMUNICATIONS COOPERATIVE, INC. - IA 630      
712-753 A Inwood IA 1405 ALLIANCE COMMUNICATIONS COOPERATIVE, INC. - IA 630      
712-851 A South Steen IA 1405 ALLIANCE COMMUNICATIONS COOPERATIVE, INC. - IA 620      
712-964 A South Hills IA 1405 ALLIANCE COMMUNICATIONS COOPERATIVE, INC. - IA 620      

Last updated: Sat, 15 Nov 2025 03:38:44 UTC

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