Local Calling Guide

Area code/prefix search

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

NXX: 499

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-499 A Green Bay WI GNBYWI11DSA  9327 WISCONSIN BELL INC 350      

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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