Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 920 [Rate centres in NPA 920] [Dial plan for NPA 920]

NXX: 300

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-300 A Cleveland WI CLEVWIXAPS0  0914 EASTCOAST TELECOM, INC. 356      
920-300 0 Cleveland WI MILWWIAUXZZ  965H FRACTEL, LLC 356   2020-03-19   
920-300 1 Cleveland WI CLEVWIXAPS0  0914 EASTCOAST TELECOM, INC. 356   2013-11-06   
920-300 3 Cleveland WI MILWWIAUXZZ  965H FRACTEL, LLC 356   2020-03-19   
920-300 7 Cleveland WI MILWWIDK6MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2024-09-24   
920-300 8 Cleveland WI   6529 T-MOBILE USA, INC. 356   2025-02-15   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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