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.
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Last updated: Sat, 20 Dec 2014 03:46:54 UTC

How to use this page

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

NXX: 201

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA Eff date Disc date Map
920-201 A Appleton WI APPLWI01X6X 6630 USA MOBILITY WIRELESS, INC. [link] 350 map

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