Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 450F ONVOY, LLC - WY

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
307-996 5 Cheyenne WY CHYNWYMAX2X  654   2023-04-24   
307-998 A Sheridan WY CHYNWYMAX2X  654   2024-08-05   
307-998 0 Sheridan WY CHYNWYMAX2X  654   2024-08-05   
307-999 0 Moran WY CHYNWYMAX2X  654   2021-07-11   
307-999 1 Moran WY CHYNWYMAX2X  654   2021-03-02   
307-999 2 Moran WY CHYNWYMAX2X  654   2021-03-02   
307-999 3 Moran WY CHYNWYMAX2X  654   2019-09-07   
307-999 6 Moran WY CHYNWYMAX2X  654   2020-12-19   
307-999 7 Moran WY CHYNWYMAX2X  654   2018-11-02   
307-999 8 Moran WY CHYNWYMAX2X  654   2018-11-02   

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Last updated: Sat, 02 May 2026 12:20:53 UTC

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