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: 346 [Rate centres in NPA 346] [Dial plan for NPA 346]

<< 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 61 62 63 64 65 66 67 68 69 70 71 72 73 74 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-532 A Cleveland TX HSTNTXYADS5  903C ONVOY, LLC - TX 560      
346-532 0 Cleveland TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2022-03-04   
346-532 1 Cleveland TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2022-03-04   
346-532 2 Cleveland TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2022-01-28   
346-532 3 Cleveland TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2022-01-28   
346-532 4 Cleveland TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2022-04-26   
346-532 5 Cleveland TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2022-10-26   
346-532 6 Cleveland TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2023-09-03   
346-532 7 Cleveland TX HSTNTXJAXGY  516J TON80 COMMUNICATIONS, LLC 560   2022-02-05   
346-532 8 Cleveland TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2022-04-16   
346-532 9 Cleveland TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2022-09-25   
346-533 A Baytown TX BYTWTXXATMD  622J SKYE TELECOM LLC DBA SKYETEL 560      
346-533 0 Baytown TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2021-12-20   
346-533 1 Baytown TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2021-12-20   
346-533 2 Baytown TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2021-12-20   
346-533 3 Baytown TX BYTWTXXATMD  622J SKYE TELECOM LLC DBA SKYETEL 560   2021-11-06   
346-533 4 Baytown TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2021-12-20   
346-533 5 Baytown TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2021-12-20   
346-533 6 Baytown TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2021-12-20   
346-533 7 Baytown TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2021-12-20   
346-533 8 Baytown TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2021-12-20   
346-533 9 Baytown TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2021-12-20   
346-534 A Tomball TX HSTNTXYADS5  903C ONVOY, LLC - TX 560      
346-534 0 Tomball TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2022-07-30   
346-534 1 Tomball TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2022-07-30   
346-534 2 Tomball TX HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560   2022-02-26   
346-534 3 Tomball TX HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560   2022-02-26   
346-534 4 Tomball TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2022-02-13   
346-534 5 Tomball TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2022-02-13   
346-534 6 Tomball TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2022-02-13   
346-534 7 Tomball TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2022-02-13   
346-534 8 Tomball TX HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560   2022-04-17   
346-534 9 Tomball TX HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2022-04-11   
346-535 A Houston Suburban TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560      
346-535 0 Houston Suburban TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2022-02-20   
346-535 1 Houston Suburban TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2022-02-20   
346-535 2 Houston Suburban TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2022-10-04   
346-535 3 Houston Suburban TX HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560   2022-02-21   
346-535 4 Houston Suburban TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2025-03-09   
346-535 5 Houston Suburban TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2025-03-09   
346-535 6 Houston Suburban TX HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560   2022-02-21   
346-535 7 Houston Suburban TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2025-03-09   
346-535 8 Houston Suburban TX HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560   2022-03-21   
346-535 9 Houston Suburban TX HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560   2022-03-21   
346-536 A Satsuma TX HSTNTXYADS5  903C ONVOY, LLC - TX 560      
346-536 0 Satsuma TX HSTNTXYAOMD  515J IP HORIZON LLC 560   2021-03-21   
346-536 1 Satsuma TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-04-12   
346-536 2 Satsuma TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-04-12   
346-536 3 Satsuma TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-01-07   
346-536 4 Satsuma TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-01-07   
346-536 5 Satsuma TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-01-07   
346-536 6 Satsuma TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-01-07   
346-536 7 Satsuma TX HSTDTXBGBMD  5562 METROPCS, INC. 560   2022-06-27   
346-536 8 Satsuma TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-04-12   
346-536 9 Satsuma TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-04-12   
346-537 A Houston TX HSTNTXJAXQY  490J DISH WIRELESS, LLC 560      
346-537 0 Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2023-08-07   
346-537 1 Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2022-11-08   
346-537 2 Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2022-11-08   
346-537 3 Houston TX HSTNTXGI1MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2022-12-13   
346-537 4 Houston TX HSTNTXGI1MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2022-12-13   
346-537 5 Houston TX HSTNTXYAHMD  073H TELNYX LLC 560   2023-01-11   
346-537 6 Houston TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2023-01-15   
346-537 7 Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2023-02-05   
346-537 8 Houston TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2023-02-05   
346-537 9 Houston TX HSTNTXJAXQY  490J DISH WIRELESS, LLC 560   2022-02-27   
346-538 A Richmond-Rosenberg TX HSTNTXJAXQY  490J DISH WIRELESS, LLC 560      
346-538 0 Richmond-Rosenberg TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2022-03-08   
346-538 1 Richmond-Rosenberg TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2022-03-08   
346-538 2 Richmond-Rosenberg TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2022-03-08   
346-538 3 Richmond-Rosenberg TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2022-03-08   
346-538 4 Richmond-Rosenberg TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2022-03-08   
346-538 5 Richmond-Rosenberg TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2022-03-08   
346-538 6 Richmond-Rosenberg TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2022-11-22   
346-538 7 Richmond-Rosenberg TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2023-07-30   
346-538 8 Richmond-Rosenberg TX HSTNTXJAXQY  490J DISH WIRELESS, LLC 560   2022-06-07   
346-538 9 Richmond-Rosenberg TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2022-11-09   
346-539 A Cypress TX HSTNTXJAXQY  490J DISH WIRELESS, LLC 560      
346-539 0 Cypress TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2022-03-08   
346-539 1 Cypress TX HSTNTXGI1MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2022-11-09   
346-539 2 Cypress TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2022-11-22   
346-539 3 Cypress TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2022-11-22   
346-539 4 Cypress TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2022-11-22   
346-539 5 Cypress TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2022-12-28   
346-539 6 Cypress TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2022-12-28   
346-539 7 Cypress TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2022-12-28   
346-539 8 Cypress TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2023-04-10   
346-539 9 Cypress TX HSTNTXJAXQY  490J DISH WIRELESS, LLC 560   2022-03-07   
346-540 A Splendora TX HSTNTXJAXQY  490J DISH WIRELESS, LLC 560      
346-540 0 Splendora TX HSTGTX052MD  073H TELNYX LLC 560   2022-07-01   
346-540 1 Splendora TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2022-10-31   
346-540 2 Splendora TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2022-10-31   
346-540 3 Splendora TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2023-07-15   
346-540 4 Splendora TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2023-05-13   
346-540 5 Splendora TX HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560   2022-03-08   
346-540 6 Splendora TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2024-01-08   
346-540 7 Splendora TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2024-04-20   
346-540 8 Splendora TX HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2022-04-11   
346-540 9 Splendora TX HSTNTXJAXQY  490J DISH WIRELESS, LLC 560   2022-03-07   
346-541 A Houston TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      

<< 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 61 62 63 64 65 66 67 68 69 70 71 72 73 74 >>

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.