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
512-524 3 Austin TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2005-01-08   
512-524 4 Austin TX AUSUTXYYPS0  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 558      
512-524 5 Austin TX AUSUTXYYPS0  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 558      
512-524 6 Austin TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2005-01-08   
512-524 7 Austin TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2005-01-08   
512-524 8 Austin TX AUSUTXYYPS0  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 558      
512-524 9 Austin TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2005-01-08   
512-525 A Lampasas TX AUSUTXZMAMD  6664 SPRINT SPECTRUM L.P. 558      
512-525 0 Lampasas TX AUSUTXZMAMD  6664 SPRINT SPECTRUM L.P. 558      
512-525 1 Lampasas TX AUSUTXZMAMD  6664 SPRINT SPECTRUM L.P. 558      
512-525 2 Lampasas TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2015-07-13   
512-525 3 Lampasas TX AUSUTXZMAMD  6664 SPRINT SPECTRUM L.P. 558      
512-525 4 Lampasas TX AUSUTXZMAMD  6664 SPRINT SPECTRUM L.P. 558      
512-525 5 Lampasas TX AUSUTXZMAMD  6664 SPRINT SPECTRUM L.P. 558      
512-525 6 Lampasas TX AUSUTXZMAMD  6664 SPRINT SPECTRUM L.P. 558      
512-525 7 Lampasas TX AUSUTXZMAMD  6664 SPRINT SPECTRUM L.P. 558      
512-525 8 Lampasas TX AUSTTXGRDS6  177F PEERLESS NETWORK OF TEXAS, LLC - TX 558   2014-05-02   
512-525 9 Lampasas TX AUSUTXZMAMD  6664 SPRINT SPECTRUM L.P. 558      
512-526 A Austin TX AUSTTXGRDS7  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558      
512-526 0 Austin TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2008-05-27   
512-526 1 Austin TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2008-05-27   
512-526 2 Austin TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2008-05-27   
512-526 3 Austin TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2008-05-27   
512-526 4 Austin TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2008-05-27   
512-526 5 Austin TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2008-05-27   
512-526 6 Austin TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2008-05-27   
512-526 7 Austin TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2008-05-27   
512-526 8 Austin TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2008-05-27   
512-526 9 Austin TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2008-05-27   
512-527 A Austin TX AUSTTXFIDS0  9533 SOUTHWESTERN BELL 558      
512-527 0 Austin TX AUSTTXFIDS0  9533 SOUTHWESTERN BELL 558      
512-527 1 Austin TX AUSTTXFIDS0  9533 SOUTHWESTERN BELL 558      
512-527 2 Austin TX AUSTTXFIDS0  9533 SOUTHWESTERN BELL 558      
512-527 3 Austin TX AUSXTXZRPS1  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 558   2007-09-05   
512-527 4 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2006-06-23   
512-527 5 Austin TX AUSTTXFIDS0  9533 SOUTHWESTERN BELL 558      
512-527 6 Austin TX AUSUTX78DS0  7249 BROOKS FIBER PROPERTIES OF TEXAS - TX 558   2011-11-08   
512-527 7 Austin TX AUSTTXFIDS0  9533 SOUTHWESTERN BELL 558      
512-527 8 Austin TX AUSTTXFIDS0  9533 SOUTHWESTERN BELL 558      
512-527 9 Austin TX AUSTTXFIDS0  9533 SOUTHWESTERN BELL 558      
512-528 A Leander TX AUSTTXLEDS0  9533 SOUTHWESTERN BELL 558      
512-528 0 Leander TX AUSTTXLEDS0  9533 SOUTHWESTERN BELL 558      
512-528 1 Leander TX AUSTTXLEDS0  9533 SOUTHWESTERN BELL 558      
512-528 2 Leander TX AUSTTXLEDS0  9533 SOUTHWESTERN BELL 558      
512-528 3 Leander TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2013-02-20   
512-528 4 Leander TX AUSTTXHOX3X  318C CEBRIDGE TELECOM TX, L.P. - TX 558   2014-02-28   
512-528 5 Leander TX AUSXTXZRPS1  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 558   2010-11-06   
512-528 6 Leander TX   145J TERRA NOVA TELECOM INC. 558   2021-01-26   
512-528 7 Leander TX AUSTTXLEDS0  9533 SOUTHWESTERN BELL 558      
512-528 8 Leander TX AUSTTXLEDS0  9533 SOUTHWESTERN BELL 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: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.