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: KRLSMNXKDS0

Remotes:

Switch Switch name Switch type
ALVDMN02RS0  ALVARADO  RS 
ARGYMN02RS0  WANGER  RS 
DNSNMNXDRS4  DONALDSON  RS 
HALMMNXHRS2  HALMA  RS 
HLCKMN03RS0  HALLOCK  RS 
HOLTMNXHRS4  HOLT  RS 
KNDYMNAERS0  KENNEDY  RS 
LKBRMNXLRS7  LAKE BRONSON  RS 
LNCSMNXLRS7  LANCASTER  RS 
NWFLMNXNRS8  NEWFOLDEN  RS 
STPHMN03RS0  STEPHEN  RS 
STRNMNXSRS5  STRANDQUIST  RS 
TRFLMN19RS0  NORTH  RS 
VKNGMNXVRS5  VIKING  RS 
WRRNMNACRS0  WARREN  RS 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
218-436 A Karlstad MN 1505 WIKSTROM TEL. CO., INC. 636      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.