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 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
512-519 8 Austin TX AUSUTXLADS0  7516 LEVEL 3 TELECOM OF TEXAS, LLC 558   2004-01-11   
512-519 9 Austin TX AUSXTXZRPS1  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 558   2006-04-24   
512-520 A Austin TX AUSXTXZRPS1  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 558      
512-520 0 Austin TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2011-04-28   
512-520 1 Austin TX AUSXTXZRPS1  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 558   2016-07-08   
512-520 2 Austin TX AUSTTXGKDS1  8958 XO TEXAS, INC. 558   2011-03-11   
512-520 3 Austin TX AUSTTXGKDS1  8958 XO TEXAS, INC. 558   2011-03-11   
512-520 4 Austin TX AUSTTXGR25Z  516C AT&T CORP. 558   2010-12-30   
512-520 5 Austin TX AUSTTXGR25Z  516C AT&T CORP. 558   2010-12-30   
512-520 6 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2011-02-11   
512-520 7 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2011-02-11   
512-520 8 Austin TX AUSXTXZRPS1  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 558   2011-02-20   
512-520 9 Austin TX AUSXTXZRPS1  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 558   2011-03-01   
512-521 A Bastrop TX AUSWTXGX6MD  6529 T-MOBILE USA, INC. 558      
512-521 0 Bastrop TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2011-12-12   
512-521 1 Bastrop TX AUSWTXGX6MD  6529 T-MOBILE USA, INC. 558   2015-01-21   
512-521 2 Bastrop TX AUSWTXGX6MD  6529 T-MOBILE USA, INC. 558   2015-01-21   
512-521 3 Bastrop TX AUSUTX78DS0  7249 BROOKS FIBER PROPERTIES OF TEXAS - TX 558   2014-06-20   
512-521 4 Bastrop TX AUSWTXGX6MD  6529 T-MOBILE USA, INC. 558   2014-09-04   
512-521 5 Bastrop TX AUSWTXOODS0  7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 558   2013-12-16   
512-521 6 Bastrop TX AUSWTXGX6MD  6529 T-MOBILE USA, INC. 558   2014-09-04   
512-521 7 Bastrop TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2013-03-08   
512-521 8 Bastrop TX AUSWTXGX6MD  6529 T-MOBILE USA, INC. 558   2014-09-04   
512-521 9 Bastrop TX AUSWTXGX6MD  6529 T-MOBILE USA, INC. 558   2014-09-04   
512-522 A Austin TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558      
512-522 0 Austin TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2010-04-25   
512-522 1 Austin TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2010-04-25   
512-522 2 Austin TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2010-04-25   
512-522 3 Austin TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2010-04-25   
512-522 4 Austin TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2010-04-25   
512-522 5 Austin TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2010-04-25   
512-522 6 Austin TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2010-04-25   
512-522 7 Austin TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2010-04-25   
512-522 8 Austin TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2010-04-25   
512-522 9 Austin TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2010-04-25   
512-523 A Buda PPCP TX BUDATXXA4MD  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 558      
512-523 0 Buda PPCP TX BUDATXXA4MD  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 558      
512-523 1 Buda PPCP TX BUDATXXA4MD  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 558      
512-523 2 Buda PPCP TX BUDATXXA4MD  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 558      
512-523 3 Buda PPCP TX AUSWTXSZDS1  7516 LEVEL 3 TELECOM OF TEXAS, LLC 558   2004-11-12   
512-523 4 Buda PPCP TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2009-09-16   
512-523 5 Buda PPCP TX AUSYTXFC1MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2010-06-25   
512-523 6 Buda PPCP TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2014-08-24   
512-523 7 Buda PPCP TX AUSTTX92X0X  139F WORLDCALL INTERCONNECT INC. 558   2008-09-12   
512-523 8 Buda PPCP TX AUSXTXZRPS1  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 558   2007-09-20   
512-523 9 Buda PPCP TX AUSXTXZRPS1  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 558   2007-09-20   
512-524 A Austin TX AUSUTXYYPS0  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 558      
512-524 0 Austin TX AUSUTXYYPS0  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 558      
512-524 1 Austin TX AUSUTXYYPS0  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 558      
512-524 2 Austin TX AUSUTXYYPS0  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 558      

<< 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 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 >>

Last updated: Tue, 04 May 2021 15:04:27 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.