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: 210

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
812-210 A Gosport IN CLMBIN01X2X  318J COMCAST IP PHONE, LLC 338      
812-210 0 Gosport IN CLMBIN01X2X  318J COMCAST IP PHONE, LLC 338   2010-12-16   
812-210 5 Gosport IN BLTNINED0MD  4803 LEVEL 3 COMMUNICATIONS, LLC - IN 338   2019-09-30   

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.