Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 307 [Rate centres in NPA 307] [Dial plan for NPA 307]

NXX: 423

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
307-423 A Buffalo WY CHYNWYMAQMD  081F BANDWIDTH.COM CLEC, LLC - WY 654      
307-423 0 Buffalo WY CHYNWYMAQMD  081F BANDWIDTH.COM CLEC, LLC - WY 654   2022-01-07   
307-423 1 Buffalo WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654   2022-08-29   
307-423 8 Buffalo WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654   2023-08-22   
307-423 9 Buffalo WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654   2024-12-02   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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