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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
512-200 A Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558      
512-200 0 Austin TX AUSTTX92X0X  139F WORLDCALL INTERCONNECT INC. 558   2010-12-12   
512-200 1 Austin TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2016-09-30   
512-200 2 Austin TX AUSYTXFC1MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2011-02-24   
512-200 3 Austin TX AUSYTXFC1MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2011-02-24   
512-200 4 Austin TX AUSYTXFC1MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2011-02-24   
512-200 5 Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2010-12-31   
512-200 6 Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2010-12-31   
512-200 7 Austin TX AUSYTXFC1MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2011-09-16   
512-200 8 Austin TX AUSYTXFC1MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2011-09-16   
512-200 9 Austin TX AUSYTXFC1MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2011-09-16   
512-201 A Austin TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558      
512-201 0 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2012-02-20   
512-201 1 Austin TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2012-02-11   
512-201 2 Austin TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2012-02-12   
512-201 3 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2012-02-20   
512-201 4 Austin TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2012-02-12   
512-201 5 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2012-02-20   
512-201 6 Austin TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2012-02-06   
512-201 7 Austin TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2012-02-03   
512-201 8 Austin TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2012-10-02   
512-201 9 Austin TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2012-02-03   
512-202 A Austin TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558      
512-202 0 Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2012-03-20   
512-202 1 Austin TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2012-11-27   
512-202 2 Austin TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2012-11-27   
512-202 3 Austin TX AUSTTXHOX3X  318C CEBRIDGE TELECOM TX , L.P. - TX 558   2012-03-26   
512-202 4 Austin TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2012-11-27   
512-202 5 Austin TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2012-04-18   
512-202 6 Austin TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2012-04-25   
512-202 7 Austin TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2012-04-30   
512-202 8 Austin TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2013-01-10   
512-202 9 Austin TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2012-03-18   
512-203 A Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558      
512-203 0 Austin TX AUSWTXGXBMD  5562 METROPCS, INC. 558   2003-04-28   
512-203 1 Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2003-05-12   
512-203 2 Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2003-05-12   
512-203 3 Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2003-05-12   
512-203 4 Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2003-05-12   
512-203 5 Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2003-07-12   
512-203 6 Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2003-07-12   
512-203 7 Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2003-07-12   
512-203 8 Austin TX AUSWTXGXBMD  5562 METROPCS, INC. 558   2003-10-01   
512-203 9 Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2003-10-12   
512-204 A Austin TX AUSTTXGRX8Y  9748 AMERICAN MESSAGING SERVICES, LLC 558      
512-205 A Austin TX AUSVTXDK1MD  6630 USA MOBILITY WIRELESS, INC. 558      
512-206 A Austin TX AUSTTXHODS0  9533 SOUTHWESTERN BELL 558      
512-206 0 Austin TX AUSTTXHODS0  9533 SOUTHWESTERN BELL 558      
512-206 1 Austin TX AUSTTXHODS0  9533 SOUTHWESTERN BELL 558      
512-206 2 Austin TX AUSTTXHODS0  9533 SOUTHWESTERN BELL 558      
512-206 3 Austin TX AUSTTXHODS0  9533 SOUTHWESTERN BELL 558      
512-206 4 Austin TX AUSTTXHODS0  9533 SOUTHWESTERN BELL 558      
512-206 5 Austin TX AUSTTXHODS0  9533 SOUTHWESTERN BELL 558      
512-206 6 Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2005-08-08   
512-206 7 Austin TX AUSTTXHODS0  9533 SOUTHWESTERN BELL 558      
512-206 8 Austin TX AUSTTXHODS0  9533 SOUTHWESTERN BELL 558      
512-206 9 Austin TX AUSTTXHODS0  9533 SOUTHWESTERN BELL 558      
512-207 A Austin TX AUSTTXHODS0  9533 SOUTHWESTERN BELL 558      
512-207 0 Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2005-08-08   
512-207 1 Austin TX AUSTTXHODS0  9533 SOUTHWESTERN BELL 558      
512-207 2 Austin TX AUSTTXHODS0  9533 SOUTHWESTERN BELL 558      
512-207 3 Austin TX AUSTTXHODS0  9533 SOUTHWESTERN BELL 558      
512-207 4 Austin TX AUSTTXHODS0  9533 SOUTHWESTERN BELL 558      
512-207 5 Austin TX AUSTTXHODS0  9533 SOUTHWESTERN BELL 558      
512-207 6 Austin TX AUSTTXHODS0  9533 SOUTHWESTERN BELL 558      
512-207 7 Austin TX AUSTTXHODS0  9533 SOUTHWESTERN BELL 558      
512-207 8 Austin TX AUSTTXHODS0  9533 SOUTHWESTERN BELL 558      
512-207 9 Austin TX AUSTTXHODS0  9533 SOUTHWESTERN BELL 558      
512-208 A Austin TX AUSTTXGRX8Y  9748 AMERICAN MESSAGING SERVICES, LLC 558      
512-209 A Austin TX AUSTTXGRX8Y  9748 AMERICAN MESSAGING SERVICES, LLC 558      
512-210 A San Marcos TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558      
512-210 0 San Marcos TX AUSWTXGX3MD  6529 T-MOBILE USA, INC. 558   2015-09-20   
512-210 1 San Marcos TX AUSWTXGX3MD  6529 T-MOBILE USA, INC. 558   2015-09-20   
512-210 2 San Marcos TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2015-10-01   
512-210 3 San Marcos TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2015-10-01   
512-210 4 San Marcos TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2015-10-01   
512-210 5 San Marcos TX AUSWTXGX3MD  6529 T-MOBILE USA, INC. 558   2015-11-11   
512-210 6 San Marcos TX AUSWTXGX3MD  6529 T-MOBILE USA, INC. 558   2015-11-11   
512-210 7 San Marcos TX AUSWTXGX3MD  6529 T-MOBILE USA, INC. 558   2015-11-11   
512-210 8 San Marcos TX AUSXTXZR0MD  793K TWC IP ENABLED SERVICES, LLC 558   2015-09-21   
512-210 9 San Marcos TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2015-05-11   
512-212 A Martindale TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558      
512-212 0 Martindale TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2004-05-09   
512-212 1 Martindale TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2008-02-13   
512-212 2 Martindale TX AUSTTX92X0X  139F WORLDCALL INTERCONNECT INC. 558   2008-09-12   
512-212 3 Martindale TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2013-02-09   
512-212 4 Martindale TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2004-06-26   
512-212 5 Martindale TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2015-11-12   
512-212 6 Martindale TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2010-06-28   
512-212 7 Martindale TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2010-10-31   
512-212 8 Martindale TX SMRCTXXAKMD  508J CENTURYLINK COMMUNICATIONS, LLC 558   2014-04-10   
512-212 9 Martindale TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2012-02-19   
512-213 A Lockhart TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558      
512-213 0 Lockhart TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2004-12-27   
512-213 1 Lockhart TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2013-08-17   
512-213 2 Lockhart TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2005-01-24   
512-213 3 Lockhart TX AUSTTXEE7MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 558   2010-12-23   
512-213 4 Lockhart TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2003-04-18   
512-213 5 Lockhart TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2010-06-30   
512-213 6 Lockhart TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2011-08-05   

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 >>

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.