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.

NPA: 812 [Rate centres in NPA 812] [Dial plan for NPA 812]

NXX: 443

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
812-443 A Brazil IN BRZLINXBDS0  0772 FRONTIER NORTH, INC.. - IN 938      
812-443 0 Brazil IN BRZLINXBDS0  0772 FRONTIER NORTH, INC.. - IN 938      
812-443 1 Brazil IN BRZLINXBDS0  0772 FRONTIER NORTH, INC.. - IN 938      
812-443 2 Brazil IN BRZLINXBDS0  0772 FRONTIER NORTH, INC.. - IN 938      
812-443 3 Brazil IN BRZLINXBDS0  0772 FRONTIER NORTH, INC.. - IN 938      
812-443 4 Brazil IN BRZLINXBDS0  0772 FRONTIER NORTH, INC.. - IN 938      
812-443 5 Brazil IN BRZLINXBDS0  0772 FRONTIER NORTH, INC.. - IN 938      
812-443 6 Brazil IN BRZLINXBDS0  0772 FRONTIER NORTH, INC.. - IN 938      
812-443 7 Brazil IN BRZLINXBDS0  0772 FRONTIER NORTH, INC.. - IN 938      
812-443 8 Brazil IN BRZLINXBDS0  0772 FRONTIER NORTH, INC.. - IN 938      
812-443 9 Brazil IN TRRHIN02WMD  352E YMAX COMMUNICATIONS CORP. - IN 938   2011-04-06   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.