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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
737-788 2 Burnet TX   903C ONVOY, LLC - TX 558   2023-08-26   
737-788 3 Burnet TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2023-09-22   
737-788 4 Burnet TX   939H COMMIO, LLC 558   2022-12-12   
737-788 5 Burnet TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2023-10-01   
737-788 6 Burnet TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2023-10-01   
737-788 7 Burnet TX   004F BANDWIDTH.COM CLEC, LLC - TX 558   2022-01-09   
737-788 8 Burnet TX   965H FRACTEL, LLC 558   2021-06-13   
737-788 9 Burnet TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2021-11-14   
737-799 A Granger TX AUSTTXGR51Z  965H FRACTEL, LLC 558      
737-799 2 Granger TX   516J TON80 COMMUNICATIONS, LLC 558   2021-07-01   
737-799 3 Granger TX   624H ONVOY SPECTRUM, LLC 558   2021-06-27   
737-799 4 Granger TX   624H ONVOY SPECTRUM, LLC 558   2021-12-04   
737-799 5 Granger TX   624H ONVOY SPECTRUM, LLC 558   2021-12-04   
737-799 7 Granger TX   903C ONVOY, LLC - TX 558   2021-05-02   
737-799 8 Granger TX   177F PEERLESS NETWORK OF TEXAS, LLC - TX 558   2024-03-15   
737-799 9 Granger TX   965H FRACTEL, LLC 558   2021-05-01   
737-800 A Austin TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558      
737-800 0 Austin TX   903C ONVOY, LLC - TX 558   2015-03-30   
737-800 1 Austin TX   903C ONVOY, LLC - TX 558   2015-03-30   
737-800 2 Austin TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2015-03-31   
737-800 3 Austin TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2015-03-31   
737-800 4 Austin TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2015-03-31   
737-800 5 Austin TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2015-03-31   
737-800 6 Austin TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2015-03-31   
737-800 7 Austin TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2015-03-31   
737-800 8 Austin TX   903C ONVOY, LLC - TX 558   2015-03-30   
737-800 9 Austin TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2015-05-30   
737-802 A Austin TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558      
737-802 0 Austin TX   5562 METROPCS, INC. 558   2015-10-18   
737-802 1 Austin TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2015-10-24   
737-802 2 Austin TX   5562 METROPCS, INC. 558   2015-10-18   
737-802 3 Austin TX   793K TWC IP ENABLED SERVICES, LLC 558   2015-10-22   
737-802 4 Austin TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2015-10-03   
737-802 5 Austin TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2015-10-03   
737-802 6 Austin TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2015-10-03   
737-802 7 Austin TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2015-10-03   
737-802 8 Austin TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2016-05-31   
737-802 9 Austin TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2015-10-03   
737-808 A Georgetown TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558      
737-808 0 Georgetown TX   004F BANDWIDTH.COM CLEC, LLC - TX 558   2015-08-02   
737-808 1 Georgetown TX   004F BANDWIDTH.COM CLEC, LLC - TX 558   2015-08-02   
737-808 2 Georgetown TX   004F BANDWIDTH.COM CLEC, LLC - TX 558   2015-08-02   
737-808 3 Georgetown TX   004F BANDWIDTH.COM CLEC, LLC - TX 558   2015-08-02   
737-808 4 Georgetown TX   004F BANDWIDTH.COM CLEC, LLC - TX 558   2015-08-02   
737-808 5 Georgetown TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2015-10-20   
737-808 6 Georgetown TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2015-10-20   
737-808 7 Georgetown TX   903C ONVOY, LLC - TX 558   2015-08-17   
737-808 8 Georgetown TX   903C ONVOY, LLC - TX 558   2015-08-17   
737-808 9 Georgetown TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2018-02-01   
737-825 A Austin TX AUSTTXGR55Z  516J TON80 COMMUNICATIONS, LLC 558      
737-825 0 Austin TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2021-05-17   
737-825 1 Austin TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2021-05-17   
737-825 2 Austin TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2020-07-07   
737-825 3 Austin TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2020-08-16   
737-825 4 Austin TX   516J TON80 COMMUNICATIONS, LLC 558   2020-07-06   
737-825 5 Austin TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2021-05-17   
737-825 6 Austin TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2021-05-17   
737-825 7 Austin TX   624H ONVOY SPECTRUM, LLC 558   2020-07-07   
737-825 8 Austin TX   624H ONVOY SPECTRUM, LLC 558   2020-07-07   
737-825 9 Austin TX   177F PEERLESS NETWORK OF TEXAS, LLC - TX 558   2020-08-30   
737-828 A Kempner TX AUSTTXGR55Z  516J TON80 COMMUNICATIONS, LLC 558      
737-828 0 Kempner TX   5562 METROPCS, INC. 558   2021-07-17   
737-828 1 Kempner TX   004F BANDWIDTH.COM CLEC, LLC - TX 558   2023-09-17   
737-828 2 Kempner TX   624H ONVOY SPECTRUM, LLC 558   2021-06-27   
737-828 3 Kempner TX   6529 T-MOBILE USA, INC. 558   2025-02-27   
737-828 4 Kempner TX   624H ONVOY SPECTRUM, LLC 558   2021-12-04   
737-828 5 Kempner TX   624H ONVOY SPECTRUM, LLC 558   2021-12-04   
737-828 7 Kempner TX   516J TON80 COMMUNICATIONS, LLC 558   2021-05-30   
737-828 8 Kempner TX   5562 METROPCS, INC. 558   2021-07-17   
737-828 9 Kempner TX   073H TELNYX LLC 558   2023-10-06   
737-837 A Taylor TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558      
737-837 0 Taylor TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2018-11-08   
737-837 1 Taylor TX   177F PEERLESS NETWORK OF TEXAS, LLC - TX 558   2018-12-27   
737-837 2 Taylor TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2019-04-10   
737-837 3 Taylor TX   903C ONVOY, LLC - TX 558   2020-09-13   
737-837 4 Taylor TX   903C ONVOY, LLC - TX 558   2020-09-13   
737-837 5 Taylor TX   6529 T-MOBILE USA, INC. 558   2019-06-02   
737-837 7 Taylor TX   903C ONVOY, LLC - TX 558   2018-10-19   
737-837 8 Taylor TX   903C ONVOY, LLC - TX 558   2018-10-19   
737-837 9 Taylor TX   515J IP HORIZON LLC 558   2021-03-18   
737-842 A Paige TX AUSTTXGR51Z  965H FRACTEL, LLC 558      
737-842 0 Paige TX   624H ONVOY SPECTRUM, LLC 558   2021-12-04   
737-842 1 Paige TX   624H ONVOY SPECTRUM, LLC 558   2021-06-27   
737-842 2 Paige TX   177F PEERLESS NETWORK OF TEXAS, LLC - TX 558   2020-11-12   
737-842 3 Paige TX   516J TON80 COMMUNICATIONS, LLC 558   2022-03-03   
737-842 4 Paige TX   073H TELNYX LLC 558   2024-08-14   
737-842 5 Paige TX   965H FRACTEL, LLC 558   2020-10-31   
737-842 6 Paige TX   516J TON80 COMMUNICATIONS, LLC 558   2021-05-23   
737-842 7 Paige TX   903C ONVOY, LLC - TX 558   2020-12-11   
737-842 8 Paige TX   903C ONVOY, LLC - TX 558   2020-12-11   
737-842 9 Paige TX   624H ONVOY SPECTRUM, LLC 558   2021-12-04   
737-843 A Leander TX AUSUTX78DS0  7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558      
737-843 0 Leander TX   903C ONVOY, LLC - TX 558   2016-01-09   
737-843 1 Leander TX   903C ONVOY, LLC - TX 558   2016-01-09   
737-843 2 Leander TX   903C ONVOY, LLC - TX 558   2016-02-17   
737-843 3 Leander TX   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2016-01-08   
737-843 4 Leander TX   004F BANDWIDTH.COM CLEC, LLC - TX 558   2018-11-25   
737-843 5 Leander TX   903C ONVOY, LLC - TX 558   2016-04-23   
737-843 6 Leander TX   903C ONVOY, LLC - TX 558   2016-02-29   
737-843 7 Leander TX   793K TWC IP ENABLED SERVICES, LLC 558   2017-07-13   

<< 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 >>

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.