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: 642

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
812-642 A Washington IN BLTNIN01XIZ  829J PAETEC ITEL, LLC 338      
812-642 0 Washington IN   829J PAETEC ITEL, LLC 338      
812-642 1 Washington IN   829J PAETEC ITEL, LLC 338      
812-642 2 Washington IN   829J PAETEC ITEL, LLC 338      
812-642 3 Washington IN   105F BANDWIDTH.COM CLEC, LLC - IN 338   2018-08-24   
812-642 4 Washington IN   6725 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 338   2017-10-19   
812-642 5 Washington IN   516C AT&T CORP. 338   2013-02-04   
812-642 6 Washington IN   829J PAETEC ITEL, LLC 338      
812-642 7 Washington IN   097D ONVOY, LLC - IN 338   2019-11-21   
812-642 8 Washington IN   097D ONVOY, LLC - IN 338   2019-11-21   
812-642 9 Washington IN   6725 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 338   2020-03-23   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.