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: 650

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
307-650 A Cheyenne WY CHYNWYRFDS0  581H AIRUS, INC. - WY 654      
307-650 0 Cheyenne WY CHYNWYRF6MD  145J TERRA NOVA TELECOM INC. 654   2024-05-26   
307-650 2 Cheyenne WY CHYNWYRFDS0  581H AIRUS, INC. - WY 654   2020-04-20   
307-650 4 Cheyenne WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2019-11-07   
307-650 5 Cheyenne WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2019-11-07   
307-650 9 Cheyenne WY   145J TERRA NOVA TELECOM INC. 654   2023-04-27   

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

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