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]

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
512-264 7 Austin TX AUSTTXBERS0  9533 SOUTHWESTERN BELL 558      
512-264 8 Austin TX AUSTTXBERS0  9533 SOUTHWESTERN BELL 558      
512-264 9 Austin TX AUSTTXBERS0  9533 SOUTHWESTERN BELL 558      
512-265 A Burnet TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558      
512-265 0 Burnet TX AUSYTXFC1MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2011-08-29   
512-265 1 Burnet TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2012-11-11   
512-265 2 Burnet TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2011-06-18   
512-265 3 Burnet TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2011-11-02   
512-265 4 Burnet TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2012-12-07   
512-265 5 Burnet TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2014-05-12   
512-265 6 Burnet TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2014-05-12   
512-265 7 Burnet TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2013-02-20   
512-265 8 Burnet TX AUSTTXGRDS6  177F PEERLESS NETWORK OF TEXAS, LLC - TX 558   2014-05-01   
512-265 9 Burnet TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2014-04-25   
512-266 A Austin TX AUSTTXMFRS0  9533 SOUTHWESTERN BELL 558      
512-267 A Austin TX AUSTTXLTRS0  9533 SOUTHWESTERN BELL 558      
512-268 A Kyle TX KYLETXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-268 0 Kyle TX KYLETXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-268 1 Kyle TX KYLETXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-268 2 Kyle TX KYLETXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-268 3 Kyle TX KYLETXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-268 4 Kyle TX KYLETXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-268 5 Kyle TX KYLETXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-268 6 Kyle TX KYLETXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-268 7 Kyle TX KYLETXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-268 8 Kyle TX KYLETXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-268 9 Kyle TX AUSXTXZR0MD  793K TWC IP ENABLED SERVICES, LLC 558   2007-02-21   
512-269 A Taylor TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558      
512-269 0 Taylor TX AUSTTXGRDS6  177F PEERLESS NETWORK OF TEXAS, LLC - TX 558   2013-10-19   
512-269 1 Taylor TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2016-12-10   
512-269 2 Taylor TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2004-06-06   
512-269 3 Taylor TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2007-11-08   
512-269 4 Taylor TX AUSTTX92SMD  7551 AUSTIN BESTLINE COMPANY 558   2014-05-21   
512-269 5 Taylor TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2006-08-30   
512-269 6 Taylor TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2005-03-03   
512-269 7 Taylor TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2006-01-29   
512-269 8 Taylor TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2004-02-24   
512-269 9 Taylor TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558      
512-270 A Austin TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558      
512-270 0 Austin TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2013-06-14   
512-270 1 Austin TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2013-06-14   
512-270 2 Austin TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2013-05-18   
512-270 3 Austin TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2013-05-18   
512-270 4 Austin TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2013-05-18   
512-270 5 Austin TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2013-05-18   
512-270 6 Austin TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2013-05-18   
512-270 7 Austin TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2013-05-18   
512-270 8 Austin TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2013-06-14   
512-270 9 Austin TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2013-06-14   
512-271 A Austin TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558      
512-271 0 Austin TX AUSUTX78DS0  7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2016-01-22   
512-271 1 Austin TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2011-07-07   
512-271 2 Austin TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2011-06-21   
512-271 3 Austin TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2011-06-21   
512-271 4 Austin TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2011-06-21   
512-271 5 Austin TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2011-06-21   
512-271 6 Austin TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2011-06-21   
512-271 7 Austin TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2011-07-07   
512-271 8 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2025-01-14   
512-271 9 Austin TX AUSYTXFC1MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2011-09-16   
512-272 A Austin TX AUSTTXMADS0  9533 SOUTHWESTERN BELL 558      
512-273 A McDade TX MCDDTXXADS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-273 0 McDade TX MCDDTXXADS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-273 1 McDade TX MCDDTXXADS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-273 2 McDade TX MCDDTXXADS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-273 3 McDade TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2011-09-05   
512-273 4 McDade TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2013-02-20   
512-273 5 McDade TX AUSXTXZR0MD  793K TWC IP ENABLED SERVICES, LLC 558   2007-10-15   
512-273 6 McDade TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2024-01-20   
512-273 7 McDade TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2011-09-05   
512-273 8 McDade TX AUSTTX92X0X  139F WORLDCALL INTERCONNECT INC. 558   2008-09-12   
512-273 9 McDade TX MCDDTXXADS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-274 A Jarrell TX AUSVTXDK1MD  6630 USA MOBILITY WIRELESS, INC. 558      
512-275 A Austin TX AUSUTX78DS0  7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558      
512-275 0 Austin TX AUSUTX78DS0  7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558      
512-275 1 Austin TX AUSUTX78DS0  7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2003-04-29   
512-275 2 Austin TX AUSTTXUHAMD  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558   2001-05-15   
512-275 3 Austin TX AUSUTX78DS0  7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2004-05-05   
512-275 4 Austin TX AUSUTX78DS0  7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2004-05-05   
512-275 5 Austin TX AUSTTXUHAMD  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558   2001-05-15   
512-275 6 Austin TX AUSUTX78DS0  7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2004-05-05   
512-275 7 Austin TX AUSTTXUHAMD  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558   2004-01-13   
512-275 8 Austin TX AUSTTXUHAMD  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558   2001-05-15   
512-275 9 Austin TX AUSUTX78DS0  7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558      
512-276 A Austin TX AUSTTXWADS0  9533 SOUTHWESTERN BELL 558      
512-276 0 Austin TX AUSWTXGXBMD  5562 METROPCS, INC. 558   2004-12-12   
512-276 1 Austin TX AUSTTXWADS0  9533 SOUTHWESTERN BELL 558      
512-276 2 Austin TX AUSXTXZR0MD  793K TWC IP ENABLED SERVICES, LLC 558   2007-09-12   
512-276 3 Austin TX AUSTTXWADS0  9533 SOUTHWESTERN BELL 558      
512-276 4 Austin TX AUSWTXGXBMD  5562 METROPCS, INC. 558   2005-08-26   
512-276 5 Austin TX AUSTTXGRDS7  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2003-10-04   
512-276 6 Austin TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2006-09-01   
512-276 7 Austin TX AUSTTXWADS0  9533 SOUTHWESTERN BELL 558      
512-276 8 Austin TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2004-08-07   
512-276 9 Austin TX AUSTTXWADS0  9533 SOUTHWESTERN BELL 558      
512-277 A Bertram TX AUSTTXGR42Z  073H TELNYX LLC 558      
512-277 0 Bertram TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558      
512-277 1 Bertram TX AUSTTX92X0X  139F WORLDCALL INTERCONNECT INC. 558   2008-09-12   
512-277 2 Bertram TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2013-05-13   
512-277 3 Bertram TX AUSYTXFC1MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2009-02-23   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 >>

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.