Local Calling Guide

Area code/prefix search

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NPA: 307 [Rate centres in NPA 307] [Dial plan for NPA 307]

NXX: 316

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
307-316 A Cheyenne WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654      
307-316 0 Cheyenne WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2006-05-19   
307-316 1 Cheyenne WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2012-12-13   
307-316 2 Cheyenne WY CHYNWYMAQMD  081F BANDWIDTH.COM CLEC, LLC - WY 654   2014-11-27   
307-316 3 Cheyenne WY CHYNWYMAQMD  081F BANDWIDTH.COM CLEC, LLC - WY 654   2015-05-15   
307-316 4 Cheyenne WY CHYNWYMAQMD  081F BANDWIDTH.COM CLEC, LLC - WY 654   2015-05-15   
307-316 5 Cheyenne WY CHYNWYMAQMD  081F BANDWIDTH.COM CLEC, LLC - WY 654   2015-05-15   
307-316 6 Cheyenne WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2015-12-04   
307-316 7 Cheyenne WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2008-04-11   
307-316 8 Cheyenne WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2010-11-14   
307-316 9 Cheyenne WY CHYNWYRFDS0  581H AIRUS, INC. - WY 654   2019-02-28   

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

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