Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
307-224 9 Casper WY 450F ONVOY, LLC - WY 654   2012-12-13   
307-225 2 Laramie WY 450F ONVOY, LLC - WY 654   2020-12-19   
307-225 3 Laramie WY 450F ONVOY, LLC - WY 654   2020-12-19   
307-225 4 Laramie WY 450F ONVOY, LLC - WY 654   2020-12-19   
307-225 5 Laramie WY 450F ONVOY, LLC - WY 654   2021-03-02   
307-225 6 Laramie WY 450F ONVOY, LLC - WY 654   2021-03-02   
307-225 7 Laramie WY 450F ONVOY, LLC - WY 654   2021-03-02   
307-226 1 Afton WY 450F ONVOY, LLC - WY 654   2020-12-19   
307-226 2 Afton WY 450F ONVOY, LLC - WY 654   2019-09-07   
307-226 6 Afton WY 450F ONVOY, LLC - WY 654   2021-03-23   
307-226 7 Afton WY 450F ONVOY, LLC - WY 654   2020-09-05   
307-228 7 Gillette WY 450F ONVOY, LLC - WY 654   2020-09-05   
307-240 2 Riverton WY 450F ONVOY, LLC - WY 654   2012-12-13   
307-240 5 Riverton WY 450F ONVOY, LLC - WY 654   2012-12-13   
307-240 6 Riverton WY 450F ONVOY, LLC - WY 654   2012-12-13   
307-240 8 Riverton WY 450F ONVOY, LLC - WY 654   2012-12-13   
307-241 3 Wheatland WY 450F ONVOY, LLC - WY 654   2012-12-17   
307-241 4 Wheatland WY 450F ONVOY, LLC - WY 654   2012-12-17   
307-243 A Casper WY 450F ONVOY, LLC - WY 654      
307-243 2 Casper WY 450F ONVOY, LLC - WY 654   2020-12-19   
307-243 3 Casper WY 450F ONVOY, LLC - WY 654   2020-12-19   
307-243 4 Casper WY 450F ONVOY, LLC - WY 654   2019-09-07   
307-243 5 Casper WY 450F ONVOY, LLC - WY 654   2021-07-11   
307-243 6 Casper WY 450F ONVOY, LLC - WY 654   2021-07-11   
307-248 5 Afton WY 450F ONVOY, LLC - WY 654   2012-12-13   
307-248 6 Afton WY 450F ONVOY, LLC - WY 654   2012-12-13   
307-248 7 Afton WY 450F ONVOY, LLC - WY 654   2011-06-04   
307-248 9 Afton WY 450F ONVOY, LLC - WY 654   2012-12-13   
307-249 1 Jackson WY 450F ONVOY, LLC - WY 654   2017-11-05   
307-249 3 Jackson WY 450F ONVOY, LLC - WY 654   2019-08-09   
307-249 4 Jackson WY 450F ONVOY, LLC - WY 654   2019-08-09   
307-257 8 Gillette WY 450F ONVOY, LLC - WY 654   2006-11-05   
307-263 0 Cheyenne WY 450F ONVOY, LLC - WY 654   2021-07-11   
307-263 4 Cheyenne WY 450F ONVOY, LLC - WY 654   2021-07-11   
307-263 5 Cheyenne WY 450F ONVOY, LLC - WY 654   2021-07-11   
307-263 6 Cheyenne WY 450F ONVOY, LLC - WY 654   2021-07-11   
307-263 7 Cheyenne WY 450F ONVOY, LLC - WY 654   2024-07-06   
307-269 5 Wheatland WY 450F ONVOY, LLC - WY 654   2006-11-05   
307-269 7 Wheatland WY 450F ONVOY, LLC - WY 654   2012-01-30   
307-269 8 Wheatland WY 450F ONVOY, LLC - WY 654   2021-07-11   
307-269 9 Wheatland WY 450F ONVOY, LLC - WY 654   2021-07-11   
307-271 6 Powell WY 450F ONVOY, LLC - WY 654   2006-11-05   
307-271 8 Powell WY 450F ONVOY, LLC - WY 654   2011-06-05   
307-275 3 Cheyenne WY 450F ONVOY, LLC - WY 654   2012-12-13   
307-275 7 Cheyenne WY 450F ONVOY, LLC - WY 654   2015-12-04   
307-275 8 Cheyenne WY 450F ONVOY, LLC - WY 654   2012-12-13   
307-275 9 Cheyenne WY 450F ONVOY, LLC - WY 654   2012-12-13   
307-278 7 Buffalo WY 450F ONVOY, LLC - WY 654   2006-10-21   
307-284 2 Jackson WY 450F ONVOY, LLC - WY 654   2020-01-20   
307-284 3 Jackson WY 450F ONVOY, LLC - WY 654   2020-01-20   

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Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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