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: 669

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-669 A Mayville WI MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356      
920-669 0 Mayville WI   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356   2020-06-27   
920-669 1 Mayville WI   227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 356   2020-11-21   
920-669 3 Mayville WI   516J TON80 COMMUNICATIONS, LLC 356   2021-10-28   
920-669 4 Mayville WI   624H ONVOY SPECTRUM, LLC 356   2021-06-26   
920-669 6 Mayville WI   225C ONVOY, LLC - WI 356   2024-07-11   
920-669 8 Mayville WI   225C ONVOY, LLC - WI 356   2020-06-28   
920-669 9 Mayville WI   225C ONVOY, LLC - WI 356   2020-06-28   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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