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
512-488 6 Fentress TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2018-09-14   
512-488 7 Fentress TX   508J CENTURYLINK COMMUNICATIONS LLC 558   2014-04-10   
512-488 8 Fentress TX AUSTTXGR46Z  158H INVOXIO INCORPORATED 558   2018-07-29   
512-488 9 Fentress TX AUSTTXGRDS6  177F PEERLESS NETWORK OF TEXAS, LLC - TX 558   2014-05-02   
512-489 A Briggs TX BRGSTXXBRL0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-489 0 Briggs TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2014-07-27   
512-489 1 Briggs TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2013-03-08   
512-489 2 Briggs TX BRGSTXXBRL0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-489 3 Briggs TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2011-04-08   
512-489 4 Briggs TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2004-07-16   
512-489 5 Briggs TX AUSTTX92X0X  139F WORLDCALL INTERCONNECT INC. 558   2008-09-12   
512-489 6 Briggs TX AUSYTXFC1MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2010-09-03   
512-489 7 Briggs TX AUSYTXFC1MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2009-02-23   
512-489 8 Briggs TX   508J CENTURYLINK COMMUNICATIONS LLC 558   2014-04-09   
512-489 9 Briggs TX AUSTTXGRDS6  177F PEERLESS NETWORK OF TEXAS, LLC - TX 558   2014-05-01   
512-490 A Austin TX AUSTTXTEDS0  9533 SOUTHWESTERN BELL 558      
512-491 A Austin TX AUSTTXTEDS0  9533 SOUTHWESTERN BELL 558      
512-492 A Austin TX AUSTTXGRRS0  9533 SOUTHWESTERN BELL 558      
512-492 0 Austin TX AUSTTXGRRS0  9533 SOUTHWESTERN BELL 558      
512-492 1 Austin TX AUSTTXGRRS0  9533 SOUTHWESTERN BELL 558      
512-492 2 Austin TX AUSUTXHP1MD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2007-09-06   
512-492 3 Austin TX AUSTTX92SMD  7551 AUSTIN BESTLINE COMPANY - CLEC 558   2006-02-17   
512-492 4 Austin TX AUSTTXGRRS0  9533 SOUTHWESTERN BELL 558      
512-492 5 Austin TX AUSUTXHP1MD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2007-09-06   
512-492 6 Austin TX AUSTTXGKDS0  8958 XO TEXAS, INC. 558   2005-10-10   
512-492 7 Austin TX AUSTTXGKDS0  8958 XO TEXAS, INC. 558   2005-10-10   
512-492 8 Austin TX AUSTTXGKDS0  8958 XO TEXAS, INC. 558   2005-10-10   
512-492 9 Austin TX AUSTTXGRRS0  9533 SOUTHWESTERN BELL 558      
512-493 A Austin TX AUSUTXLADS0  7516 LEVEL 3 TELECOM OF TEXAS, LLC 558      
512-494 A Austin TX AUSTTXGRDS5  9533 SOUTHWESTERN BELL 558      
512-494 0 Austin TX AUSTTXGRDS5  9533 SOUTHWESTERN BELL 558      
512-494 1 Austin TX AUSTTXGRDS5  9533 SOUTHWESTERN BELL 558      
512-494 2 Austin TX AUSTTXGRDS5  9533 SOUTHWESTERN BELL 558      
512-494 3 Austin TX AUSTTXGRDS5  9533 SOUTHWESTERN BELL 558      
512-494 4 Austin TX AUSXTXZRPS1  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 558   2006-03-10   
512-494 5 Austin TX AUSXTXZRPS1  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 558   2006-03-10   
512-494 6 Austin TX AUSXTXZRPS1  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 558   2006-03-10   
512-494 7 Austin TX AUSTTXGRDS5  9533 SOUTHWESTERN BELL 558      
512-494 8 Austin TX AUSTTXGRDS5  9533 SOUTHWESTERN BELL 558      
512-494 9 Austin TX AUSTTXGRDS5  9533 SOUTHWESTERN BELL 558      
512-495 A Austin TX AUSTTXGRDS5  9533 SOUTHWESTERN BELL 558      
512-496 A Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558      
512-497 A Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558      
512-498 A Austin TX AUSUTXLADS0  7516 LEVEL 3 TELECOM OF TEXAS, LLC 558      
512-499 A Austin TX AUSTTXGRDS5  9533 SOUTHWESTERN BELL 558      
512-499 0 Austin TX AUSTTXGRDS5  9533 SOUTHWESTERN BELL 558      
512-499 1 Austin TX AUSTTXGRDS5  9533 SOUTHWESTERN BELL 558      
512-499 2 Austin TX AUSTTXGKDS1  8958 XO TEXAS, INC. 558   2007-11-11   
512-499 3 Austin TX AUSTTXGRDS5  9533 SOUTHWESTERN BELL 558      
512-499 4 Austin TX AUSTTXGRDS5  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: Execulink Telecom

Like this site? We accept donations via PayPal.