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
737-423 5 Austin TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2025-10-03   
737-423 6 Austin TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2025-10-03   
737-423 7 Austin TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2025-10-23   
737-423 8 Austin TX   903C ONVOY, LLC - TX 558   2025-10-18   
737-423 9 Austin TX   903C ONVOY, LLC - TX 558   2025-10-18   
737-424 A Bastrop TX   6529 T-MOBILE USA, INC. 558   2025-09-04   
737-424 0 Bastrop TX   6529 T-MOBILE USA, INC. 558   2025-09-05   
737-424 1 Bastrop TX   6529 T-MOBILE USA, INC. 558   2025-09-05   
737-424 2 Bastrop TX   6529 T-MOBILE USA, INC. 558   2025-09-05   
737-424 3 Bastrop TX   6529 T-MOBILE USA, INC. 558   2025-10-01   
737-424 4 Bastrop TX   6529 T-MOBILE USA, INC. 558   2025-10-01   
737-424 5 Bastrop TX   6529 T-MOBILE USA, INC. 558   2025-10-10   
737-424 6 Bastrop TX   6529 T-MOBILE USA, INC. 558   2025-09-05   
737-424 7 Bastrop TX   6529 T-MOBILE USA, INC. 558   2025-10-10   
737-424 8 Bastrop TX   6529 T-MOBILE USA, INC. 558   2025-09-11   
737-424 9 Bastrop TX   6529 T-MOBILE USA, INC. 558   2025-09-04   
737-425 A Georgetown TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2025-10-24   
737-425 0 Georgetown TX   903C ONVOY, LLC - TX 558   2025-10-27   
737-425 1 Georgetown TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2025-11-14   
737-425 2 Georgetown TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2025-11-14   
737-425 3 Georgetown TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2025-12-26   
737-425 8 Georgetown TX   903C ONVOY, LLC - TX 558   2025-11-28   
737-425 9 Georgetown TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2025-10-24   
737-426 A Bastrop TX   6529 T-MOBILE USA, INC. 558   2025-11-15   
737-426 0 Bastrop TX   6529 T-MOBILE USA, INC. 558   2025-11-17   
737-426 1 Bastrop TX   6529 T-MOBILE USA, INC. 558   2025-11-17   
737-426 2 Bastrop TX   6529 T-MOBILE USA, INC. 558   2025-11-17   
737-426 3 Bastrop TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2025-11-28   
737-426 6 Bastrop TX   6529 T-MOBILE USA, INC. 558   2025-11-17   
737-426 8 Bastrop TX   6529 T-MOBILE USA, INC. 558   2025-11-15   
737-426 9 Bastrop TX   6529 T-MOBILE USA, INC. 558   2025-11-15   
737-427 A McDade TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558      
737-427 0 McDade TX AUSTTXUH9MD  073H TELNYX LLC 558   2022-04-22   
737-427 2 McDade TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2021-03-14   
737-427 3 McDade TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2021-03-14   
737-427 4 McDade TX AUSTTXGR45Z  624H ONVOY SPECTRUM, LLC 558   2021-12-26   
737-427 5 McDade TX AUSTTXGR45Z  624H ONVOY SPECTRUM, LLC 558   2021-12-26   
737-427 6 McDade TX AUSTTXGR55Z  516J TON80 COMMUNICATIONS, LLC 558   2021-06-02   
737-427 7 McDade TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2021-04-30   
737-427 8 McDade TX AUSTTXGR45Z  624H ONVOY SPECTRUM, LLC 558   2021-06-27   
737-427 9 McDade TX AUSTTXGRDS6  177F PEERLESS NETWORK OF TEXAS, LLC - TX 558   2023-12-25   
737-428 A Austin TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2025-12-13   
737-428 0 Austin TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2025-12-13   
737-428 1 Austin TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2025-12-13   
737-428 2 Austin TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2025-12-13   
737-428 3 Austin TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2025-12-13   
737-428 4 Austin TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2025-12-13   
737-428 5 Austin TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2025-12-13   
737-428 6 Austin TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2025-12-13   
737-428 7 Austin TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2025-12-13   
737-428 8 Austin TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2025-12-13   
737-428 9 Austin TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2025-12-13   
737-429 A Austin TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2025-12-29   
737-429 0 Austin TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2025-12-29   
737-429 1 Austin TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2025-12-29   
737-429 2 Austin TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2025-12-29   
737-429 3 Austin TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2025-12-29   
737-429 4 Austin TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2025-12-29   
737-429 5 Austin TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2025-12-29   
737-429 6 Austin TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2025-12-29   
737-429 7 Austin TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2025-12-29   
737-429 8 Austin TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2025-12-29   
737-429 9 Austin TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2025-12-29   
737-430 A Austin TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2026-01-04   
737-430 0 Austin TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2026-01-04   
737-430 1 Austin TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2026-01-04   
737-430 2 Austin TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2026-01-04   
737-430 3 Austin TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2026-01-04   
737-430 4 Austin TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2026-01-04   
737-430 5 Austin TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2026-01-04   
737-430 6 Austin TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2026-01-04   
737-430 7 Austin TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2026-01-04   
737-430 8 Austin TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2026-01-04   
737-430 9 Austin TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2026-01-04   
737-431 A Austin TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2026-02-06   
737-431 0 Austin TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2026-02-06   
737-431 1 Austin TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2026-02-06   
737-431 2 Austin TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2026-02-06   
737-431 3 Austin TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2026-02-06   
737-431 4 Austin TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2026-02-06   
737-431 5 Austin TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2026-02-06   
737-431 6 Austin TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2026-02-06   
737-431 7 Austin TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2026-02-06   
737-431 8 Austin TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2026-02-06   
737-431 9 Austin TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2026-02-06   
737-437 A Thorndale-Thrall TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558      
737-437 0 Thorndale-Thrall TX AUSTTXGR45Z  624H ONVOY SPECTRUM, LLC 558   2021-12-04   
737-437 1 Thorndale-Thrall TX AUSTTXGR45Z  624H ONVOY SPECTRUM, LLC 558   2021-12-04   
737-437 2 Thorndale-Thrall TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2021-03-14   
737-437 3 Thorndale-Thrall TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2021-03-14   
737-437 4 Thorndale-Thrall TX AUSTTXGRDS6  177F PEERLESS NETWORK OF TEXAS, LLC - TX 558   2025-01-23   
737-437 5 Thorndale-Thrall TX AUSTTXGR45Z  624H ONVOY SPECTRUM, LLC 558   2021-06-27   
737-437 6 Thorndale-Thrall TX AUSTTXGR55Z  516J TON80 COMMUNICATIONS, LLC 558   2021-06-06   
737-437 7 Thorndale-Thrall TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2021-04-30   
737-437 8 Thorndale-Thrall TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2021-04-30   
737-443 A Austin TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558      
737-443 0 Austin TX AUSYTXFC1MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2016-08-15   
737-443 1 Austin TX   515J IP HORIZON LLC 558   2016-08-13   
737-443 2 Austin TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2016-08-14   
737-443 3 Austin TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2016-08-14   

<< 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: Sun, 07 Dec 2025 22:02:11 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.