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: 737 [Rate centres in NPA 737] [Dial plan for NPA 737]

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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
737-200 A Elgin TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558      
737-200 0 Elgin TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2015-12-10   
737-200 1 Elgin TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2016-03-02   
737-200 2 Elgin TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2015-12-10   
737-200 3 Elgin TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2016-03-02   
737-200 4 Elgin TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2016-04-09   
737-200 5 Elgin TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2016-04-09   
737-200 6 Elgin TX AUSTTXGR09Z  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2016-02-04   
737-200 7 Elgin TX AUSTTXGRDS6  177F PEERLESS NETWORK OF TEXAS, LLC - TX 558   2016-10-01   
737-200 8 Elgin TX AUSTTXJO6MD  9558 INTRADO COMMUNICATIONS, LLC 558   2016-08-29   
737-200 9 Elgin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2016-03-17   
737-201 A Taylor TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558      
737-201 0 Taylor TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2015-02-22   
737-201 1 Taylor TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2015-02-22   
737-201 2 Taylor TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2015-02-22   
737-201 3 Taylor TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2015-05-31   
737-201 4 Taylor TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2015-12-08   
737-201 5 Taylor TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2015-12-08   
737-201 6 Taylor TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2016-04-23   
737-201 7 Taylor TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2016-03-07   
737-201 8 Taylor TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2016-03-07   
737-201 9 Taylor TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2016-04-23   
737-202 A Austin TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558      
737-202 0 Austin TX AUSWTXGX6MD  6529 T-MOBILE USA, INC. 558   2015-10-18   
737-202 1 Austin TX AUSWTXGX6MD  6529 T-MOBILE USA, INC. 558   2015-10-18   
737-202 2 Austin TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2015-10-17   
737-202 3 Austin TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2015-10-17   
737-202 4 Austin TX AUSXTXZRPS1  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 558   2015-10-22   
737-202 5 Austin TX AUSWTXGX6MD  6529 T-MOBILE USA, INC. 558   2015-10-18   
737-202 6 Austin TX AUSWTXGX6MD  6529 T-MOBILE USA, INC. 558   2015-10-18   
737-202 7 Austin TX AUSWTXGX6MD  6529 T-MOBILE USA, INC. 558   2015-10-18   
737-202 8 Austin TX AUSWTXGX6MD  6529 T-MOBILE USA, INC. 558   2015-10-18   
737-202 9 Austin TX AUSWTXGX6MD  6529 T-MOBILE USA, INC. 558   2015-10-18   
737-203 A Austin TX AUSUTX78DS0  7249 BROOKS FIBER PROPERTIES OF TEXAS - TX 558      
737-203 0 Austin TX AUSWTXGX6MD  6529 T-MOBILE USA, INC. 558   2015-11-11   
737-203 1 Austin TX AUSWTXGX6MD  6529 T-MOBILE USA, INC. 558   2015-11-11   
737-203 2 Austin TX AUSWTXGX6MD  6529 T-MOBILE USA, INC. 558   2015-11-11   
737-203 3 Austin TX AUSUTX78DS0  7249 BROOKS FIBER PROPERTIES OF TEXAS - TX 558   2015-11-06   
737-203 4 Austin TX AUSWTXGX6MD  6529 T-MOBILE USA, INC. 558   2015-11-11   
737-203 5 Austin TX AUSTTXGR25Z  516C AT&T CORP. 558   2015-11-08   
737-203 6 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2015-11-20   
737-203 7 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2015-11-20   
737-203 8 Austin TX AUSXTXZRPS1  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 558   2015-11-19   
737-203 9 Austin TX AUSXTXZRPS1  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 558   2015-11-19   
737-204 A Austin TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558      
737-204 0 Austin TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2016-01-17   
737-204 1 Austin TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2016-01-17   
737-204 2 Austin TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2016-01-17   
737-204 3 Austin TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2016-01-17   
737-204 4 Austin TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2016-01-17   

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 >>

Last updated: Tue, 04 May 2021 15:04:27 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.