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: 831

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
812-831 A Mount Vernon IN MTVRINABRS1  9325 INDIANA BELL TEL CO INC 330      
812-831 0 Mount Vernon IN   624H ONVOY SPECTRUM, LLC 330      
812-831 3 Mount Vernon IN   511K RCN TELECOM SERVICES OF ILLINOIS, LLC 330      
812-831 4 Mount Vernon IN MTVRINABRS1  9325 INDIANA BELL TEL CO INC 330      
812-831 6 Mount Vernon IN MTVRINABRS1  9325 INDIANA BELL TEL CO INC 330      
812-831 7 Mount Vernon IN MTVRINABRS1  9325 INDIANA BELL TEL CO INC 330      
812-831 8 Mount Vernon IN EVVLINAPX3X  4803 LEVEL 3 COMMUNICATIONS, LLC - IN 330      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.