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: 840

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
812-840 A Monroe City IN BLTNIN01X5Z  6725 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 338      
812-840 0 Monroe City IN BLTNIN01X5Z  6725 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 338      
812-840 1 Monroe City IN BLTNIN01X5Z  6725 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 338      
812-840 2 Monroe City IN BLTNIN01X5Z  6725 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 338      
812-840 4 Monroe City IN BLTNINED0MD  4803 LEVEL 3 COMMUNICATIONS, LLC - IN 338   2005-03-28   
812-840 5 Monroe City IN SYMRINXAX2X  097D ONVOY, LLC - IN 338   2020-05-16   
812-840 6 Monroe City IN SYMRINXAX2X  097D ONVOY, LLC - IN 338   2020-05-16   
812-840 9 Monroe City IN BLTNIN01X5Z  6725 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 338      

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.