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: 806 [Rate centres in NPA 806] [Dial plan for NPA 806]

NXX: 812

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
806-812 A McLean TX AMRLTX02X9Y  624H ONVOY SPECTRUM, LLC 546      
806-812 0 McLean TX AMRLTX02X9Y  624H ONVOY SPECTRUM, LLC 546   2022-01-12   
806-812 1 McLean TX AMRLTXDRXMD  516C AT&T CORP. 546   2023-07-12   
806-812 2 McLean TX   515J IP HORIZON LLC 546   2025-04-28   
806-812 3 McLean TX   515J IP HORIZON LLC 546   2025-04-28   
806-812 8 McLean TX AMRLTX02XDY  515J IP HORIZON LLC 546   2023-12-28   
806-812 9 McLean TX AMRLTX02XDY  515J IP HORIZON LLC 546   2023-12-28   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.