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: 0030 BORDERLAND COMMUNICATIONS, LLC - MI

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
906-771 A Iron Mountain MI NIGRWIXA1MD  342      
906-771 0 Iron Mountain MI NIGRWIXA1MD  342      
906-771 1 Iron Mountain MI NIGRWIXA1MD  342      
906-771 2 Iron Mountain MI NIGRWIXA1MD  342      
906-771 3 Iron Mountain MI NIGRWIXA1MD  342      
906-771 4 Iron Mountain MI NIGRWIXA1MD  342      
906-771 5 Iron Mountain MI NIGRWIXA1MD  342      
906-771 6 Iron Mountain MI NIGRWIXA1MD  342      
906-771 7 Iron Mountain MI NIGRWIXA1MD  342      
906-771 9 Iron Mountain MI NIGRWIXA1MD  342      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.