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: WNDMMN02DS0

Remotes:

Switch Switch name Switch type
BRWSMN02RS0  BREWSTER  RS 
HRLKMN04RS0  HERON LAKE  RS 
JCSNMN03RS0  JACKSON  RS 
LKFDMN08RS0  LAKEFIELD  RS 
OKBNMN02RS0  OKABENA  RS 
RNLKMN02RS0  ROUND LAKE  RS 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
507-832 A Windom MN 105D CITY OF WINDOM - MN 620      
507-832 2 Windom MN 105D CITY OF WINDOM - MN 620   2010-06-25   
507-832 7 Windom MN 569G SOUTHWEST MINNESOTA BROADBAND SERVICES - MN 620   2011-11-20   
507-832 8 Windom MN 105D CITY OF WINDOM - MN 620   2005-05-05   

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

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