Local Calling Guide

Area code/prefix search

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
307-776 2 Casper WY 450F ONVOY, LLC - WY 654   2021-07-11   
307-776 3 Casper WY 450F ONVOY, LLC - WY 654   2021-07-11   
307-776 4 Casper WY 450F ONVOY, LLC - WY 654   2019-11-07   
307-776 5 Casper WY 450F ONVOY, LLC - WY 654   2019-11-07   
307-776 6 Casper WY 450F ONVOY, LLC - WY 654   2019-07-08   
307-776 7 Casper WY 450F ONVOY, LLC - WY 654   2019-07-08   
307-800 A Kemmerer WY 450F ONVOY, LLC - WY 654      
307-800 0 Kemmerer WY 450F ONVOY, LLC - WY 654   2013-01-18   
307-800 3 Kemmerer WY 450F ONVOY, LLC - WY 654   2019-09-07   
307-800 7 Kemmerer WY 450F ONVOY, LLC - WY 654   2013-01-18   
307-828 0 Kemmerer WY 450F ONVOY, LLC - WY 654   2012-12-17   
307-828 5 Kemmerer WY 450F ONVOY, LLC - WY 654   2012-03-12   
307-828 7 Kemmerer WY 450F ONVOY, LLC - WY 654   2007-03-09   
307-855 7 Riverton WY 450F ONVOY, LLC - WY 654   2011-06-05   
307-855 8 Riverton WY 450F ONVOY, LLC - WY 654   2019-08-09   
307-857 8 Riverton WY 450F ONVOY, LLC - WY 654   2019-08-09   
307-881 0 Wheatland WY 450F ONVOY, LLC - WY 654   2024-01-08   
307-881 3 Wheatland WY 450F ONVOY, LLC - WY 654   2020-12-19   
307-881 6 Wheatland WY 450F ONVOY, LLC - WY 654   2019-11-07   
307-881 7 Wheatland WY 450F ONVOY, LLC - WY 654   2019-11-07   
307-881 8 Wheatland WY 450F ONVOY, LLC - WY 654   2019-08-09   
307-886 2 Afton WY 450F ONVOY, LLC - WY 654   2012-12-13   
307-886 7 Afton WY 450F ONVOY, LLC - WY 654   2006-10-21   
307-900 1 Glendo WY 450F ONVOY, LLC - WY 654   2021-07-11   
307-900 4 Glendo WY 450F ONVOY, LLC - WY 654   2021-03-02   
307-900 5 Glendo WY 450F ONVOY, LLC - WY 654   2021-03-02   
307-910 A Cheyenne WY 450F ONVOY, LLC - WY 654      
307-910 0 Cheyenne WY 450F ONVOY, LLC - WY 654   2021-06-24   
307-910 1 Cheyenne WY 450F ONVOY, LLC - WY 654   2024-09-15   
307-910 2 Cheyenne WY 450F ONVOY, LLC - WY 654   2024-11-03   
307-910 3 Cheyenne WY 450F ONVOY, LLC - WY 654   2025-01-05   
307-922 8 Rock Springs WY 450F ONVOY, LLC - WY 654   2010-09-03   
307-939 0 Wright WY 450F ONVOY, LLC - WY 654   2012-12-13   
307-939 5 Wright WY 450F ONVOY, LLC - WY 654   2019-09-07   
307-939 7 Wright WY 450F ONVOY, LLC - WY 654   2007-03-23   
307-939 9 Wright WY 450F ONVOY, LLC - WY 654   2019-09-07   
307-990 1 Lander WY 450F ONVOY, LLC - WY 654   2023-07-23   
307-990 4 Lander WY 450F ONVOY, LLC - WY 654   2024-03-07   
307-990 5 Lander WY 450F ONVOY, LLC - WY 654   2024-07-08   
307-990 8 Lander WY 450F ONVOY, LLC - WY 654   2023-10-28   
307-990 9 Lander WY 450F ONVOY, LLC - WY 654   2023-10-28   
307-996 A Cheyenne WY 450F ONVOY, LLC - WY 654      
307-996 5 Cheyenne WY 450F ONVOY, LLC - WY 654   2023-04-24   
307-998 A Sheridan WY 450F ONVOY, LLC - WY 654   2024-08-05   
307-998 0 Sheridan WY 450F ONVOY, LLC - WY 654   2024-08-05   
307-999 0 Moran WY 450F ONVOY, LLC - WY 654   2021-07-11   
307-999 1 Moran WY 450F ONVOY, LLC - WY 654   2021-03-02   
307-999 2 Moran WY 450F ONVOY, LLC - WY 654   2021-03-02   
307-999 3 Moran WY 450F ONVOY, LLC - WY 654   2019-09-07   
307-999 6 Moran WY 450F ONVOY, LLC - WY 654   2020-12-19   

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Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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