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: OSLOMNXORS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
218-695 A Oslo MN 1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 636      
218-695 9 Oslo MN 1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 636      
701-699 A West Oslo ND 1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 636      
701-699 1 West Oslo ND 1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 636      
701-699 2 West Oslo ND 1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 636      
701-699 3 West Oslo ND 1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 636      
701-699 5 West Oslo ND 1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 636      
701-699 9 West Oslo ND 1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 636      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.