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.

Austin, TX

<< 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 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
512-619 6 AUSWTXGX0MD  5562 METROPCS, INC. 558      
512-619 7 AUSWTXGX0MD  5562 METROPCS, INC. 558      
512-619 8 AUSWTXGX0MD  5562 METROPCS, INC. 558      
512-619 9   6529 T-MOBILE USA, INC. 558      
512-621 A AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558      
512-621 0 AUSWTXGX0MD  5562 METROPCS, INC. 558   2013-07-18   
512-621 1 AUSWTXGX0MD  5562 METROPCS, INC. 558   2013-07-18   
512-621 2 AUSWTXGX0MD  5562 METROPCS, INC. 558   2013-07-18   
512-621 3 AUSWTXGX0MD  5562 METROPCS, INC. 558   2013-07-18   
512-621 4 AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2013-07-20   
512-621 5 AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2013-07-20   
512-621 6 AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2013-07-20   
512-621 7 AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2013-07-18   
512-621 8 AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2013-07-15   
512-621 9 AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2013-07-15   
512-622 A AUSVTXDK1MD  6630 USA MOBILITY WIRELESS, INC. 558      
512-623 A AUSTTXFIDS0  9533 SOUTHWESTERN BELL 558      
512-623 0 AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2006-06-23   
512-623 1 AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2007-11-07   
512-623 2 AUSTTXFIDS0  9533 SOUTHWESTERN BELL 558      
512-623 3 AUSWTXSZDS2  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558   2004-09-29   
512-623 4 AUSWTXSZDS2  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558   2005-01-16   
512-623 5 AUSWTXSZDS2  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558   2005-05-07   
512-623 6 AUSWTXSZDS2  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558   2005-05-07   
512-623 7 AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2007-11-07   
512-623 8 AUSWTXSZDS2  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558   2006-04-02   
512-623 9 AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2006-06-23   
512-624 A AUSYTXFC0MD  6630 USA MOBILITY WIRELESS, INC. 558      
512-625 A AUSVTXDK1MD  6630 USA MOBILITY WIRELESS, INC. 558      
512-626 A AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558      
512-627 A AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558      
512-628 A AUSUTXYYPS0  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 558      
512-628 0 AUSUTXYYPS0  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 558      
512-628 1 AUSUTXYYPS0  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 558      
512-628 2 AUSUTXYYPS0  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 558      
512-628 3 AUSTTXGKDS1  8958 XO TEXAS, INC. 558   2005-02-10   
512-628 4 AUSUTXYYPS0  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 558      
512-628 5 AUSUTXYYPS0  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 558      
512-628 6 AUSTTXGKDS1  8958 XO TEXAS, INC. 558   2005-02-10   
512-628 7 AUSTTXGKDS1  8958 XO TEXAS, INC. 558   2005-02-10   
512-628 8 AUSUTXYYPS0  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 558      
512-628 9 AUSTTXGKDS1  8958 XO TEXAS, INC. 558   2005-02-10   
512-631 A AUSTTXGR03Z  903C ONVOY, LLC - TX 558      
512-631 0 AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2021-08-19   
512-631 1 AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2021-08-19   
512-631 2 AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2021-08-19   
512-631 3 AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2021-08-19   
512-631 4 AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2021-08-19   
512-631 5 AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2021-08-19   
512-631 6 AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2021-08-19   

<< 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 >>

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.