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: RTTNMNXRDS1

Remotes:

Switch Switch name Switch type
BVCKMN04RS0  BEAVER CREEK  RS 
GNVYMN01RS0  FAIRVIEW  RS 
IHLNMN01RS0  IHLEN  RS 
PPSTMN12RS0  TROY  RS 
TNTNMN01RS0  TAUNTON  RS 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
507-347 A Holland MN 1510 WOODSTOCK TEL. CO. 620      
507-658 A Ruthton MN 1510 WOODSTOCK TEL. CO. 620      
507-746 A Garvin MN 1510 WOODSTOCK TEL. CO. 620      
507-777 A Woodstock MN 1510 WOODSTOCK TEL. CO. 620      
507-823 A Russell MN 1510 WOODSTOCK TEL. CO. 620      

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

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