Local Calling Guide

Area code/prefix search

Search by area code/prefix (NPA/NXX) or OCN

  • 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.

Last updated: Thu, 20 Nov 2014 03:01:16 UTC

How to use this page

NPA: 920 [Rate centres in NPA 920] [Dial plan for NPA 920]

NXX: 689

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA Eff date Disc date Map
920-689 A Burnett WI BVDMWI01DSA 9327 AMERITECH WISCONSIN [link] 356 map
920-689 1 Burnett WI 3839 CHARTER FIBERLINK - WI [link] 356 2009-02-26
920-689 2 Burnett WI 9327 AMERITECH WISCONSIN [link] 356
920-689 3 Burnett WI 007F BANDWIDTH.COM CLEC, LLC - WI [link] 356 2014-04-11

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