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
512-228 2 Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2003-11-19   
512-228 3 Austin TX AUSTTXWADS0  9533 SOUTHWESTERN BELL 558   2001-08-27   
512-228 4 Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2003-12-22   
512-228 5 Austin TX AUSTTXWADS0  9533 SOUTHWESTERN BELL 558      
512-228 6 Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2004-03-14   
512-228 7 Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2004-03-14   
512-228 8 Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2004-03-14   
512-228 9 Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2003-12-26   
512-229 A Elgin TX AUSTTXEE7MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 558      
512-229 0 Elgin TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2012-02-13   
512-229 1 Elgin TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2013-02-20   
512-229 2 Elgin TX AUSTTXEE7MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 558   2007-07-13   
512-229 3 Elgin TX AUSXTXZR0MD  793K TWC IP ENABLED SERVICES, LLC 558   2010-11-06   
512-229 4 Elgin TX AUSTTXGR25Z  516C AT&T CORP. 558   2007-02-15   
512-229 5 Elgin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2008-10-05   
512-229 6 Elgin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2008-02-15   
512-229 7 Elgin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2010-06-05   
512-229 8 Elgin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2006-06-22   
512-229 9 Elgin TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2020-09-18   
512-230 A Austin TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558      
512-230 0 Austin TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2011-06-11   
512-230 1 Austin TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2011-06-11   
512-230 2 Austin TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2011-05-24   
512-230 3 Austin TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2011-05-24   
512-230 4 Austin TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2011-05-24   
512-230 5 Austin TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2011-05-22   
512-230 6 Austin TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2011-05-22   
512-230 7 Austin TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2011-05-22   
512-230 8 Austin TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2011-05-22   
512-230 9 Austin TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2011-05-22   
512-231 A Austin TX AUSTTXFIDS0  9533 SOUTHWESTERN BELL 558      
512-232 A Austin TX AUSTTXGRDS5  9533 SOUTHWESTERN BELL 558      
512-233 A Austin TX AUSUTX78DS0  7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558      
512-233 0 Austin TX AUSUTX78DS0  7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558      
512-233 1 Austin TX AUSUTX78DS0  7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558      
512-233 2 Austin TX AUSUTX78DS0  7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558      
512-233 3 Austin TX AUSTTXPFDS0  9533 SOUTHWESTERN BELL 558   2001-07-05   
512-233 4 Austin TX AUSTTXMCDS0  9533 SOUTHWESTERN BELL 558   2001-08-13   
512-233 5 Austin TX AUSUTX78DS0  7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558      
512-233 6 Austin TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2016-09-04   
512-233 7 Austin TX AUSUTX78DS0  7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2003-06-10   
512-233 8 Austin TX AUSWTXGXBMD  5562 METROPCS, INC. 558   2004-10-03   
512-233 9 Austin TX AUSWTXGXBMD  5562 METROPCS, INC. 558   2003-07-12   
512-234 A Burnet TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558      
512-234 0 Burnet TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2002-12-05   
512-234 1 Burnet TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2002-12-05   
512-234 2 Burnet TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2002-12-05   
512-234 3 Burnet TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2007-12-04   
512-234 4 Burnet TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2013-09-01   
512-234 5 Burnet TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2007-07-06   
512-234 6 Burnet TX   145J TERRA NOVA TELECOM INC. 558   2025-02-13   
512-234 8 Burnet TX AUSXTXZR0MD  793K TWC IP ENABLED SERVICES, LLC 558   2007-03-20   
512-234 9 Burnet TX AUSTTX92X0X  139F WORLDCALL INTERCONNECT INC. 558   2008-09-12   
512-235 A Austin TX AUSVTXDK1MD  6630 USA MOBILITY WIRELESS, INC. 558      
512-236 A Austin TX AUSTTXGRDS5  9533 SOUTHWESTERN BELL 558      
512-236 0 Austin TX AUSTTXGRDS5  9533 SOUTHWESTERN BELL 558      
512-236 1 Austin TX AUSTTXGRDS5  9533 SOUTHWESTERN BELL 558      
512-236 2 Austin TX AUSTTXGRDS5  9533 SOUTHWESTERN BELL 558      
512-236 3 Austin TX AUSTTXGRDS5  9533 SOUTHWESTERN BELL 558      
512-236 4 Austin TX AUSTTXGRDS5  9533 SOUTHWESTERN BELL 558      
512-236 5 Austin TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2009-09-23   
512-236 6 Austin TX AUSTTXGRDS5  9533 SOUTHWESTERN BELL 558      
512-236 7 Austin TX AUSTTXGRDS5  9533 SOUTHWESTERN BELL 558      
512-236 8 Austin TX AUSTTXGRDS5  9533 SOUTHWESTERN BELL 558      
512-236 9 Austin TX AUSTTXGRDS5  9533 SOUTHWESTERN BELL 558      
512-237 A Smithville TX SMVLTXSMRS0  9533 SOUTHWESTERN BELL 558      
512-237 0 Smithville TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2003-04-29   
512-237 1 Smithville TX AUSXTXZR0MD  793K TWC IP ENABLED SERVICES, LLC 558   2005-08-15   
512-237 2 Smithville TX SMVLTXSMRS0  9533 SOUTHWESTERN BELL 558      
512-237 3 Smithville TX SMVLTXSMRS0  9533 SOUTHWESTERN BELL 558      
512-237 4 Smithville TX SMVLTXSMRS0  9533 SOUTHWESTERN BELL 558      
512-237 5 Smithville TX SMVLTXSMRS0  9533 SOUTHWESTERN BELL 558      
512-237 6 Smithville TX SMVLTXSMRS0  9533 SOUTHWESTERN BELL 558      
512-237 7 Smithville TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2006-04-09   
512-237 8 Smithville TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2016-06-20   
512-237 9 Smithville TX SMVLTXSMRS0  9533 SOUTHWESTERN BELL 558      
512-238 A Austin TX AUSTTXRRDS0  9533 SOUTHWESTERN BELL 558      
512-239 A Austin TX AUSTTXTEDS0  9533 SOUTHWESTERN BELL 558      
512-239 0 Austin TX AUSTTXTEDS0  9533 SOUTHWESTERN BELL 558      
512-239 1 Austin TX AUSTTXTEDS0  9533 SOUTHWESTERN BELL 558      
512-239 2 Austin TX AUSTTXTEDS0  9533 SOUTHWESTERN BELL 558      
512-239 3 Austin TX AUSTTXTEDS0  9533 SOUTHWESTERN BELL 558      
512-239 4 Austin TX AUSTTXTEDS0  9533 SOUTHWESTERN BELL 558      
512-239 5 Austin TX AUSTTXTEDS0  9533 SOUTHWESTERN BELL 558      
512-239 6 Austin TX AUSTTXTEDS0  9533 SOUTHWESTERN BELL 558      
512-239 7 Austin TX AUSTTXTEDS0  9533 SOUTHWESTERN BELL 558      
512-239 8 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2006-08-24   
512-239 9 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2006-08-24   
512-240 A Georgetown TX AUSUTXYYPS0  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 558      
512-240 0 Georgetown TX AUSUTXYYPS0  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 558      
512-240 1 Georgetown TX AUSUTXYYPS0  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 558      
512-240 2 Georgetown TX AUSYTXFC1MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2010-08-09   
512-240 3 Georgetown TX AUSWTXGXBMD  5562 METROPCS, INC. 558   2004-02-09   
512-240 4 Georgetown TX AUSTTXHOX3X  318C CEBRIDGE TELECOM TX , L.P. - TX 558   2006-11-08   
512-240 5 Georgetown TX AUSTTXHOX3X  318C CEBRIDGE TELECOM TX , L.P. - TX 558   2007-06-12   
512-240 6 Georgetown TX AUSTTXGRDS6  177F PEERLESS NETWORK OF TEXAS, LLC - TX 558   2013-10-19   
512-240 7 Georgetown TX SMRCTXXAKMD  508J CENTURYLINK COMMUNICATIONS, LLC 558   2013-12-19   
512-240 8 Georgetown TX AUSUTXYYPS0  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 558      
512-240 9 Georgetown TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2006-06-30   
512-241 A Austin TX AUSTTXFIDS0  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 >>

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.