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: 622

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
812-622 A Cynthiana IN JSPRINXANMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 330      
812-622 0 Cynthiana IN   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 330      
812-622 1 Cynthiana IN   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 330      
812-622 2 Cynthiana IN   793K TWC IP ENABLED SERVICES, LLC 330   2012-11-16   
812-622 3 Cynthiana IN   097D ONVOY, LLC - IN 330   2020-11-06   
812-622 4 Cynthiana IN   097D ONVOY, LLC - IN 330   2020-11-06   
812-622 6 Cynthiana IN   097D ONVOY, LLC - IN 330   2018-10-13   
812-622 8 Cynthiana IN   097D ONVOY, LLC - IN 330   2023-10-01   
812-622 9 Cynthiana IN   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 330   2022-10-14   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.