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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
512-953 6 Austin TX AUSUTX78DS0  7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2015-02-24   
512-953 7 Austin TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2015-05-09   
512-953 8 Austin TX AUSXTXZRPS1  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 558   2015-03-16   
512-953 9 Austin TX AUSXTXZRPS1  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 558   2015-03-16   
512-954 A Austin TX AUSTTXGR09Z  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558      
512-954 0 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2013-03-05   
512-954 1 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2013-03-15   
512-954 2 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2013-03-15   
512-954 3 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2013-03-15   
512-954 4 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2013-03-15   
512-954 5 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2013-03-15   
512-954 6 Austin TX AUSTTXGR09Z  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2013-02-24   
512-954 7 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2013-03-15   
512-954 8 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2013-03-15   
512-954 9 Austin TX AUSWTXOO1MD  7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 558   2013-03-09   
512-955 A Taylor TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558      
512-955 0 Taylor TX AUSWTXGX6MD  6529 T-MOBILE USA, INC. 558   2010-08-17   
512-955 1 Taylor TX AUSWTXGX6MD  6529 T-MOBILE USA, INC. 558   2010-08-17   
512-955 2 Taylor TX AUSWTXGX6MD  6529 T-MOBILE USA, INC. 558   2012-03-03   
512-955 3 Taylor TX AUSUTX78DS0  7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2012-07-15   
512-955 4 Taylor TX AUSWTXGX6MD  6529 T-MOBILE USA, INC. 558   2013-02-03   
512-955 5 Taylor TX AUSTTXGRDS6  177F PEERLESS NETWORK OF TEXAS, LLC - TX 558   2018-09-18   
512-955 6 Taylor TX AUSWTXGX6MD  6529 T-MOBILE USA, INC. 558   2013-02-03   
512-955 7 Taylor TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2010-10-25   
512-955 8 Taylor TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2004-03-11   
512-955 9 Taylor TX   6529 T-MOBILE USA, INC. 558   2007-11-02   
512-956 A Austin TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558      
512-956 0 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2014-10-02   
512-956 1 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2014-10-02   
512-956 2 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2014-10-02   
512-956 3 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2014-10-02   
512-956 4 Austin TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2015-05-26   
512-956 5 Austin TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2015-05-26   
512-956 6 Austin TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2015-05-26   
512-956 7 Austin TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2015-05-26   
512-956 8 Austin TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2015-05-26   
512-956 9 Austin TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2015-05-26   
512-957 A Paige TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558      
512-957 0 Paige TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2014-06-16   
512-957 1 Paige TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2015-05-31   
512-957 2 Paige TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2016-04-05   
512-957 3 Paige TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2016-04-05   
512-957 4 Paige TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2018-09-14   
512-957 5 Paige TX AUSTTXGR46Z  158H INVOXIO INCORPORATED 558   2018-08-05   
512-957 6 Paige TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2018-09-14   
512-957 7 Paige TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2014-12-03   
512-957 8 Paige TX AUSTTXGRX3Y  073H TELNYX LLC 558   2018-09-17   
512-957 9 Paige TX AUSTTXGRDS6  177F PEERLESS NETWORK OF TEXAS, LLC - TX 558   2014-06-17   
512-960 A Austin TX AUSTTXGR28Z  156J RCLEC, INC. 558      
512-960 0 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2014-06-12   

<< 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 >>

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.