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.

Switch: BLNGMT93DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
307-207 A Lake WY 581H AIRUS, INC. - WY 650      
307-207 1 Lake WY 581H AIRUS, INC. - WY 650   2019-01-27   
307-207 9 Lake WY 581H AIRUS, INC. - WY 650   2020-04-05   
406-312 1 Bozeman MT 588H AIRUS, INC. - MT 650   2019-04-29   
406-312 8 Bozeman MT 588H AIRUS, INC. - MT 650   2019-12-05   
406-321 8 Columbus MT 588H AIRUS, INC. - MT 650   2020-07-20   
406-345 1 Glendive (Mid-Rivers) MT 588H AIRUS, INC. - MT 650   2018-03-11   
406-359 8 Glendive MT 588H AIRUS, INC. - MT 650   2020-03-16   
406-413 9 Billings MT 588H AIRUS, INC. - MT 650   2017-04-06   
406-577 0 Bozeman MT 588H AIRUS, INC. - MT 650   2018-02-26   
406-601 3 Billings MT 588H AIRUS, INC. - MT 650   2017-07-27   
406-602 1 Bozeman MT 588H AIRUS, INC. - MT 650   2020-03-27   
406-602 9 Bozeman MT 588H AIRUS, INC. - MT 650   2021-04-19   
406-630 8 Sidney MT 588H AIRUS, INC. - MT 650   2018-03-02   
406-630 9 Sidney MT 588H AIRUS, INC. - MT 650   2020-03-27   
406-635 1 Terry (Mid-Rivers) MT 588H AIRUS, INC. - MT 650   2021-02-18   
406-635 8 Terry (Mid-Rivers) MT 588H AIRUS, INC. - MT 650   2018-03-02   
406-637 8 Terry MT 588H AIRUS, INC. - MT 650   2019-05-11   
406-851 9 Miles City MT 588H AIRUS, INC. - MT 650   2018-03-02   
406-852 9 Miles City MT 588H AIRUS, INC. - MT 650   2021-02-18   
406-944 8 Miles City MT 588H AIRUS, INC. - MT 650   2019-11-01   
406-944 9 Miles City MT 588H AIRUS, INC. - MT 650   2020-03-01   
406-957 1 Terry MT 588H AIRUS, INC. - MT 650   2020-03-01   
406-998 A Billings MT 588H AIRUS, INC. - MT 650      
406-998 0 Billings MT 588H AIRUS, INC. - MT 650   2018-02-24   
406-998 1 Billings MT 588H AIRUS, INC. - MT 650   2015-10-17   
406-998 2 Billings MT 588H AIRUS, INC. - MT 650   2019-04-29   
406-998 5 Billings MT 588H AIRUS, INC. - MT 650   2020-03-27   
701-695 4 East Fairview ND 083J AIRUS, INC. - ND 650   2019-05-24   
701-829 2 East Sidney ND 083J AIRUS, INC. - ND 650   2019-05-20   
701-829 5 East Sidney ND 083J AIRUS, INC. - ND 650   2019-11-01   
701-940 1 East Fairview ND 083J AIRUS, INC. - ND 650   2019-12-12   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.