Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

OCN: 450F ONVOY, LLC - WY

1 2 3 4 5 6 7 8 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
307-200 0 Jackson WY   654   2006-07-09   
307-201 4 Jackson WY   654   2012-12-17   
307-201 8 Jackson WY   654   2012-12-17   
307-202 4 Powell WY   654   2012-12-13   
307-202 5 Powell WY   654   2012-12-13   
307-202 6 Powell WY   654   2012-12-13   
307-202 7 Powell WY   654   2012-12-13   
307-204 2 Cody WY   654   2019-08-09   
307-204 3 Cody WY   654   2019-08-09   
307-204 4 Cody WY   654   2019-11-07   
307-204 5 Cody WY   654   2019-11-07   
307-204 6 Cody WY   654   2020-08-14   
307-204 7 Cody WY   654   2020-04-04   
307-204 9 Cody WY   654   2020-08-14   
307-205 5 Lingle WY   646   2021-03-01   
307-206 0 Lander WY   654   2016-12-24   
307-207 2 Lake WY   650   2019-09-07   
307-207 3 Lake WY   650   2019-09-07   
307-207 4 Lake WY   650   2019-11-07   
307-207 5 Lake WY   650   2019-11-07   
307-207 6 Lake WY   650   2021-03-02   
307-207 7 Lake WY   650   2020-10-10   
307-209 3 Rock Springs WY   654   2016-12-24   
307-212 6 Rock Springs WY   654   2006-10-06   
307-213 7 Cody WY   654   2006-10-21   
307-213 8 Cody WY   654   2011-05-19   
307-217 4 Buffalo WY   654   2012-12-17   
307-217 5 Buffalo WY   654   2012-12-17   
307-218 A Sheridan WY CSPRWYDN0MD  654      
307-218 2 Sheridan WY   654   2019-12-27   
307-218 3 Sheridan WY   654   2019-12-27   
307-218 4 Sheridan WY   654   2021-03-01   
307-218 5 Sheridan WY   654   2021-03-01   
307-218 6 Sheridan WY   654   2020-12-19   
307-218 7 Sheridan WY   654   2019-10-12   
307-218 8 Sheridan WY   654   2020-12-19   
307-219 3 Powell WY   654   2019-08-09   
307-219 4 Powell WY   654   2019-08-09   
307-219 5 Powell WY   654   2019-11-07   
307-223 8 Laramie WY   654   2012-12-13   
307-223 9 Laramie WY   654   2012-12-13   
307-224 6 Casper WY   654   2012-12-13   
307-224 7 Casper WY   654   2011-05-19   
307-224 8 Casper WY   654   2012-12-13   
307-224 9 Casper WY   654   2012-12-13   
307-225 2 Laramie WY   654   2020-12-19   
307-225 3 Laramie WY   654   2020-12-19   
307-225 4 Laramie WY   654   2020-12-19   
307-225 5 Laramie WY   654   2021-03-02   
307-225 6 Laramie WY   654   2021-03-02   

1 2 3 4 5 6 7 8 >>

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.