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: 512 [Rate centres in NPA 512] [Dial plan for NPA 512]

NXX: 489

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
512-489 A Briggs TX BRGSTXXBRL0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-489 0 Briggs TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558      
512-489 1 Briggs TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558      
512-489 2 Briggs TX BRGSTXXBRL0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-489 3 Briggs TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558      
512-489 4 Briggs TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558      
512-489 5 Briggs TX AUSTTX92X0X  139F WORLDCALL INTERCONNECT INC. 558      
512-489 6 Briggs TX AUSYTXFC1MD  004F BANDWIDTH.COM CLEC, LLC - TX 558      
512-489 7 Briggs TX AUSYTXFC1MD  004F BANDWIDTH.COM CLEC, LLC - TX 558      
512-489 8 Briggs TX SMRCTXXAKMD  508J CENTURYLINK COMMUNICATIONS, LLC 558      
512-489 9 Briggs TX AUSTTXGRDS6  177F PEERLESS NETWORK OF TEXAS, LLC - TX 558      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.