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: 657

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
812-657 A Columbus IN BLTNIN01X9X  7421 AT&T - LOCAL 338      
812-657 0 Columbus IN BLTNIN01X9Y  105F BANDWIDTH.COM CLEC, LLC - IN 338   2015-02-27   
812-657 1 Columbus IN BLTNIN01X5Z  6725 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 338   2011-10-21   
812-657 2 Columbus IN BLTNIN01X5Z  6725 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 338   2013-08-03   
812-657 3 Columbus IN BLTNIN01XIY  516C AT&T CORP. 338   2008-07-29   
812-657 4 Columbus IN BLTNIN01X5Z  6725 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 338   2012-09-24   
812-657 5 Columbus IN CLMBINATWMD  352E YMAX COMMUNICATIONS CORP. - IN 338   2011-04-07   
812-657 6 Columbus IN CLMBINATWMD  352E YMAX COMMUNICATIONS CORP. - IN 338   2011-04-07   
812-657 7 Columbus IN CLMBIN01X2X  318J COMCAST IP PHONE, LLC 338   2008-02-20   
812-657 8 Columbus IN BLTNIN01X9Y  105F BANDWIDTH.COM CLEC, LLC - IN 338   2016-07-21   
812-657 9 Columbus IN BLTNIN01X9X  7421 AT&T - LOCAL 338      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.