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]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
307-999 4 Moran WY CHYNWYMAQMD  081F BANDWIDTH.COM CLEC, LLC - WY 654   2022-02-19   
307-999 6 Moran WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2020-12-19   
307-999 7 Moran WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2018-11-02   
307-999 8 Moran WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2018-11-02   
307-999 9 Moran WY CHYNWYRF1MD  073H TELNYX LLC 654   2017-04-21   

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Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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