Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Last updated: Wed, 26 Aug 2015 02:01:48 UTC

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

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA Eff date Disc date Map
920-494 A Green Bay WI GNBYWI11DSA  9327 AMERITECH WISCONSIN [link] 350     map

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