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: IDCRMNXIRP0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
218-543 A Ideal Corners MN 1350 ARVIG TEL. CO. 636      
218-543 0 Ideal Corners MN 1350 ARVIG TEL. CO. 636      
218-543 4 Ideal Corners MN 1350 ARVIG TEL. CO. 636      
218-543 5 Ideal Corners MN 1350 ARVIG TEL. CO. 636      
218-543 6 Ideal Corners MN 1350 ARVIG TEL. CO. 636      
218-543 7 Ideal Corners MN 1350 ARVIG TEL. CO. 636      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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