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: Fri, 17 May 2013 01:26:12 UTC

How to use this page

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

Region: WI

OCN: 1155 TELEPHONE USA OF WISCONSIN, LLC DBA CENTURYLINK [Rate centres for OCN 1155]

NPA-NXX-X Rate Centre Region Switch LATA Eff date Disc date Map
920-842 Suring WI SRNGWIXARS0 350 map
920-842-2 Suring WI 350
920-842-4 Suring WI 350
920-855 Gillett WI GLLTWIXADS0 350 map
920-855-1 Gillett WI 350
920-855-2 Gillett WI 350
920-855-6 Gillett WI 350


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