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.

NPA: 218 [Rate centres in NPA 218] [Dial plan for NPA 218]

NXX: 335

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
218-335 A Cass Lake MN CSSLMNCLRS3  9631 QWEST CORPORATION 636      
218-335 0 Cass Lake MN CSSLMNCLRS3  9631 QWEST CORPORATION 636      
218-335 1 Cass Lake MN CSSLMNCLRS3  9631 QWEST CORPORATION 636      
218-335 2 Cass Lake MN CSSLMNCLRS3  9631 QWEST CORPORATION 636      
218-335 3 Cass Lake MN CSSLMNCLRS3  9631 QWEST CORPORATION 636      
218-335 4 Cass Lake MN CSSLMNCLRS3  9631 QWEST CORPORATION 636      
218-335 5 Cass Lake MN FARGNDBCX7X  184D ONVOY, LLC - MN 636   2007-03-31   
218-335 6 Cass Lake MN CSSLMNCLRS3  9631 QWEST CORPORATION 636      
218-335 7 Cass Lake MN CSSLMNCLRS3  9631 QWEST CORPORATION 636      
218-335 8 Cass Lake MN CSSLMNCLRS3  9631 QWEST CORPORATION 636      
218-335 9 Cass Lake MN CSSLMNCLRS3  9631 QWEST CORPORATION 636      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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