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: STPNIAXPPS0

Remotes:

Switch Switch name Switch type
ARTNIAXORP0  ARLINGTON  RP 
EDWDIAXORP0  EDGEWOOD  RP 
LAMTIAXORP0  LAMONT  RP 
VOLGIAXORP0  VOLGA  RP 
WADNIAXPRP0  WADENA  RP 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
563-315 A Strawberry Point IA 1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 635      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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