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
512-878 6 San Marcos TX SMRCTXXAH01  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 558   2005-07-07   
512-878 7 San Marcos TX AUSUTXHP1MD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2005-10-15   
512-878 8 San Marcos TX SMRCTXXAH01  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 558      
512-878 9 San Marcos TX AUSUTXHP1MD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2005-12-27   
512-879 A Austin TX AUSWTXSZDS2  7516 LEVEL 3 TELECOM OF TEXAS, LLC 558      
512-879 0 Austin TX AUSWTXSZDS2  7516 LEVEL 3 TELECOM OF TEXAS, LLC 558      
512-879 1 Austin TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2005-04-22   
512-879 2 Austin TX AUSWTXSZDS2  7516 LEVEL 3 TELECOM OF TEXAS, LLC 558      
512-879 3 Austin TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2005-04-22   
512-879 4 Austin TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2005-04-22   
512-879 5 Austin TX AUSWTXSZDS2  7516 LEVEL 3 TELECOM OF TEXAS, LLC 558      
512-879 6 Austin TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2005-04-22   
512-879 7 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2006-08-24   
512-879 8 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2006-08-24   
512-879 9 Austin TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2005-07-08   
512-880 A Dripping Springs TX AUSTTXHOKMD  5714 FITCH, F. CARY 558      
512-881 A Elgin TX AUSTTXHOKMD  5714 FITCH, F. CARY 558      
512-882 A Georgetown TX AUSTTXHOKMD  5714 FITCH, F. CARY 558      
512-883 A Jarrell TX AUSTTXGRDS6  177F PEERLESS NETWORK OF TEXAS, LLC - TX 558      
512-883 0 Jarrell TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2020-08-15   
512-883 1 Jarrell TX AUSTTXGRDS6  177F PEERLESS NETWORK OF TEXAS, LLC - TX 558      
512-883 2 Jarrell TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2020-03-23   
512-883 3 Jarrell TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2020-03-23   
512-883 4 Jarrell TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2020-03-23   
512-883 5 Jarrell TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2020-03-23   
512-883 6 Jarrell TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2020-08-15   
512-883 7 Jarrell TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2020-08-15   
512-883 8 Jarrell TX AUSTTXGRDS6  177F PEERLESS NETWORK OF TEXAS, LLC - TX 558   2020-08-30   
512-883 9 Jarrell TX AUSTTXGRDS6  177F PEERLESS NETWORK OF TEXAS, LLC - TX 558      
512-884 A Austin TX AUSTTXHOY0X  425J CSC WIRELESS, LLC 558      
512-884 0 Austin TX AUSTTXHOY0X  425J CSC WIRELESS, LLC 558   2019-07-04   
512-884 1 Austin TX AUSUTXHP1MD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2019-07-08   
512-884 2 Austin TX AUSTTXHOY0X  425J CSC WIRELESS, LLC 558   2019-05-16   
512-884 3 Austin TX AUSUTXHP1MD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2019-07-08   
512-884 4 Austin TX AUSTTXHOY0X  425J CSC WIRELESS, LLC 558   2019-07-04   
512-884 5 Austin TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2019-07-07   
512-884 6 Austin TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2020-05-26   
512-884 7 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2020-05-26   
512-884 8 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2020-05-26   
512-884 9 Austin TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2020-07-01   
512-885 A Rockdale TX AUSTTXHOKMD  5714 FITCH, F. CARY 558      
512-886 A Buchanan Dam TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558      
512-886 0 Buchanan Dam TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2019-04-15   
512-886 1 Buchanan Dam TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2019-04-15   
512-886 2 Buchanan Dam TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2019-04-15   
512-886 3 Buchanan Dam TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2019-04-15   
512-886 4 Buchanan Dam TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2019-04-15   
512-886 5 Buchanan Dam TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2020-03-23   
512-886 6 Buchanan Dam TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2020-03-23   
512-886 7 Buchanan Dam TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2020-03-23   

<< 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.