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: 551

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-551 A Fremont WI GNBYWI01XMX  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 350      
920-551 0 Fremont WI   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 350      
920-551 1 Fremont WI   3839 CHARTER FIBERLINK, LLC - WI 350   2024-09-15   
920-551 5 Fremont WI   225C ONVOY, LLC - WI 350   2021-08-09   
920-551 8 Fremont WI   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 350      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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