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 61 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
512-753 7 San Marcos TX SMRCTXXADS0  2140 BRIGHTSPEED OF SOUTHERN TEXAS, INC. 558      
512-753 8 San Marcos TX SMRCTXXADS0  2140 BRIGHTSPEED OF SOUTHERN TEXAS, INC. 558      
512-753 9 San Marcos TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558      
512-754 A San Marcos TX SMRCTXXADS0  2140 BRIGHTSPEED OF SOUTHERN TEXAS, INC. 558      
512-755 A Burnet TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558      
512-755 0 Burnet TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558      
512-755 1 Burnet TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558      
512-755 2 Burnet TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558      
512-755 3 Burnet TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558      
512-755 4 Burnet TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558      
512-755 5 Burnet TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558      
512-755 6 Burnet TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558      
512-755 7 Burnet TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558      
512-755 8 Burnet TX SMRCTXXAKMD  508J CENTURYLINK COMMUNICATIONS, LLC 558   2014-09-06   
512-755 9 Burnet TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558      
512-756 A Burnet TX BURNTXXADS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-756 0 Burnet TX BURNTXXADS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-756 1 Burnet TX BURNTXXADS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-756 2 Burnet TX BURNTXXADS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-756 3 Burnet TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558      
512-756 4 Burnet TX BURNTXXADS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-756 5 Burnet TX BURNTXXADS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-756 6 Burnet TX BURNTXXADS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-756 7 Burnet TX BURNTXXADS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-756 8 Burnet TX BURNTXXADS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-756 9 Burnet TX BURNTXXADS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-757 A San Marcos TX SMRCTXXAJMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558      
512-757 0 San Marcos TX SMRCTXXAJMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558      
512-757 1 San Marcos TX SMRCTXXAJMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558      
512-757 2 San Marcos TX SMRCTXXAJMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558      
512-757 3 San Marcos TX SMRCTXXAJMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558      
512-757 4 San Marcos TX SMRCTXXAJMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558      
512-757 5 San Marcos TX SMRCTXXAJMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558      
512-757 6 San Marcos TX SMRCTXXAJMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558      
512-757 7 San Marcos TX SMRCTXXAJMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558      
512-757 8 San Marcos TX SMRCTXXAEMD  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 558   2006-03-20   
512-757 9 San Marcos TX SMRCTXXAJMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558      
512-758 A Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558      
512-758 0 Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2008-10-09   
512-758 1 Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2008-11-02   
512-758 2 Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2008-12-21   
512-758 3 Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2010-02-17   
512-758 4 Austin TX AUSYTXFC1MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2010-10-21   
512-758 5 Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2009-04-02   
512-758 6 Austin TX AUSYTXFC1MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2010-10-21   
512-758 7 Austin TX AUSUTX78DS0  7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2009-03-16   
512-758 8 Austin TX AUSUTX78DS0  7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2009-03-16   
512-758 9 Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2008-10-09   
512-759 A Hutto EMS TX HUTTTXXARP0  2114 BRIGHTSPEED OF TEXAS, INC. 558      
512-759 0 Hutto EMS TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2015-02-14   
512-759 1 Hutto EMS TX HUTTTXXARP0  2114 BRIGHTSPEED OF TEXAS, INC. 558      
512-759 2 Hutto EMS TX HUTTTXXARP0  2114 BRIGHTSPEED OF TEXAS, INC. 558      
512-759 3 Hutto EMS TX HUTTTXXARP0  2114 BRIGHTSPEED OF TEXAS, INC. 558      
512-759 4 Hutto EMS TX HUTTTXXARP0  2114 BRIGHTSPEED OF TEXAS, INC. 558      
512-759 5 Hutto EMS TX HUTTTXXARP0  2114 BRIGHTSPEED OF TEXAS, INC. 558      
512-759 6 Hutto EMS TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2016-07-11   
512-759 7 Hutto EMS TX SMRCTXXAKMD  508J CENTURYLINK COMMUNICATIONS, LLC 558   2013-12-19   
512-759 8 Hutto EMS TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2018-10-19   
512-759 9 Hutto EMS TX HUTTTXXARP0  2114 BRIGHTSPEED OF TEXAS, INC. 558      
512-760 A Rockdale TX AUSWTXGXBMD  5562 METROPCS, INC. 558      
512-760 0 Rockdale TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558      
512-760 1 Rockdale TX AUSWTXGXBMD  5562 METROPCS, INC. 558   2016-10-28   
512-760 2 Rockdale TX AUSWTXGXBMD  5562 METROPCS, INC. 558   2016-07-27   
512-760 3 Rockdale TX AUSWTXGXBMD  5562 METROPCS, INC. 558   2016-09-12   
512-760 4 Rockdale TX AUSWTXGXBMD  5562 METROPCS, INC. 558   2016-12-15   
512-760 5 Rockdale TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558      
512-760 6 Rockdale TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558      
512-760 7 Rockdale TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558      
512-760 8 Rockdale TX AUSTTXGR45Z  624H ONVOY SPECTRUM, LLC 558   2022-02-11   
512-760 9 Rockdale TX AUSWTXGXBMD  5562 METROPCS, INC. 558   2016-11-21   
512-761 A Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558      
512-761 0 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2010-02-14   
512-761 1 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2010-02-14   
512-761 2 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2010-02-14   
512-761 3 Austin TX AUSTTXGR25Z  516C AT&T CORP. 558   2010-01-28   
512-761 4 Austin TX AUSTTXGR25Z  516C AT&T CORP. 558   2010-01-28   
512-761 5 Austin TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2010-03-13   
512-761 6 Austin TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2010-03-13   
512-761 7 Austin TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2010-03-13   
512-761 8 Austin TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2010-03-13   
512-761 9 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2009-08-15   
512-762 A Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558      
512-762 0 Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558      
512-762 1 Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558      
512-762 2 Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558      
512-762 3 Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558      
512-762 4 Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558      
512-762 5 Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558      
512-762 6 Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558      
512-762 7 Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558      
512-762 8 Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558      
512-762 9 Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558      
512-763 A Georgetown PPCP TX GRTWTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-763 0 Georgetown PPCP TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2011-04-28   
512-763 1 Georgetown PPCP TX GRTWTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-763 2 Georgetown PPCP TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2011-04-28   
512-763 3 Georgetown PPCP TX AUSTTXUHAMD  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558   2005-09-05   
512-763 4 Georgetown PPCP TX AUSTTXUHAMD  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558   2009-06-11   
512-763 5 Georgetown PPCP TX AUSYTXFC1MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2010-03-19   
512-763 6 Georgetown PPCP TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2011-02-07   

<< 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 61 >>

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.