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      
307-207 9 Lake WY 581H AIRUS, INC. - WY 650      
406-312 1 Bozeman MT 588H AIRUS, INC. - MT 650      
406-312 8 Bozeman MT 588H AIRUS, INC. - MT 650      
406-321 8 Columbus MT 588H AIRUS, INC. - MT 650      
406-345 1 Glendive MT 588H AIRUS, INC. - MT 650      
406-359 8 Glendive MT 588H AIRUS, INC. - MT 650      
406-413 9 Billings MT 588H AIRUS, INC. - MT 650      
406-577 0 Bozeman MT 588H AIRUS, INC. - MT 650      
406-601 3 Billings MT 588H AIRUS, INC. - MT 650      
406-602 1 Bozeman MT 588H AIRUS, INC. - MT 650      
406-602 9 Bozeman MT 588H AIRUS, INC. - MT 650      
406-630 8 Sidney MT 588H AIRUS, INC. - MT 650      
406-630 9 Sidney MT 588H AIRUS, INC. - MT 650      
406-635 1 Terry MT 588H AIRUS, INC. - MT 650      
406-635 8 Terry MT 588H AIRUS, INC. - MT 650      
406-637 8 Terry MT 588H AIRUS, INC. - MT 650      
406-851 9 Miles City MT 588H AIRUS, INC. - MT 650      
406-852 9 Miles City MT 588H AIRUS, INC. - MT 650      
406-944 8 Miles City MT 588H AIRUS, INC. - MT 650      
406-944 9 Miles City MT 588H AIRUS, INC. - MT 650      
406-957 1 Terry MT 588H AIRUS, INC. - MT 650      
406-998 A Billings MT 588H AIRUS, INC. - MT 650      
406-998 0 Billings MT 588H AIRUS, INC. - MT 650      
406-998 1 Billings MT 588H AIRUS, INC. - MT 650      
406-998 2 Billings MT 588H AIRUS, INC. - MT 650      
406-998 5 Billings MT 588H AIRUS, INC. - MT 650      
701-695 4 East Fairview ND 083J AIRUS, INC. - ND 650      
701-829 2 East Sidney ND 083J AIRUS, INC. - ND 650      
701-829 5 East Sidney ND 083J AIRUS, INC. - ND 650      
701-940 1 East Fairview ND 083J AIRUS, INC. - ND 650      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.