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: CHSHMNCSRS2

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
218-254 A Chisholm MN 9631 QWEST CORPORATION 624      
218-254 0 Chisholm MN 9631 QWEST CORPORATION 624      
218-254 1 Chisholm MN 9631 QWEST CORPORATION 624      
218-254 2 Chisholm MN 9631 QWEST CORPORATION 624      
218-254 3 Chisholm MN 9631 QWEST CORPORATION 624      
218-254 4 Chisholm MN 9631 QWEST CORPORATION 624      
218-254 5 Chisholm MN 9631 QWEST CORPORATION 624      
218-254 7 Chisholm MN 9631 QWEST CORPORATION 624      
218-254 9 Chisholm MN 9631 QWEST CORPORATION 624      

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

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