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: 434

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
307-434 A Gillette WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2024-04-08   
307-434 0 Gillette WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2024-04-08   
307-434 1 Gillette WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2024-04-09   
307-434 2 Gillette WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654   2025-01-19   
307-434 3 Gillette WY   450F ONVOY, LLC - WY 654   2025-04-11   
307-434 8 Gillette WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2024-07-06   
307-434 9 Gillette WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2024-07-06   

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

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