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 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-409 5 Houston Suburban TX HSTDTXBG5MD  6701 AERIAL COMMUNICATIONS, INC. 560   2020-10-26   
346-409 6 Houston Suburban TX HSTDTXBG5MD  6701 AERIAL COMMUNICATIONS, INC. 560   2020-10-26   
346-409 7 Houston Suburban TX HSTNTXYANMD  506J TWILIO INTERNATIONAL INC 560   2020-10-26   
346-409 8 Houston Suburban TX HSTDTXBG5MD  6701 AERIAL COMMUNICATIONS, INC. 560   2020-10-26   
346-409 9 Houston Suburban TX HSTDTXBG5MD  6701 AERIAL COMMUNICATIONS, INC. 560   2020-10-26   
346-410 A Houston Suburban TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-410 0 Houston Suburban TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2016-07-16   
346-410 1 Houston Suburban TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2016-07-31   
346-410 2 Houston Suburban TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2016-07-31   
346-410 3 Houston Suburban TX HSTNTX01X7X  516C AT&T CORP. 560   2016-07-27   
346-410 4 Houston Suburban TX HSTNTX01X7X  516C AT&T CORP. 560   2016-07-27   
346-410 5 Houston Suburban TX HSTNTXMOX7X  318J COMCAST IP PHONE LLC 560   2016-07-12   
346-410 6 Houston Suburban TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2016-07-05   
346-410 7 Houston Suburban TX HSTNTX01X7X  516C AT&T CORP. 560   2016-07-05   
346-410 8 Houston Suburban TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2016-07-04   
346-410 9 Houston Suburban TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2016-07-04   
346-412 A Cypress TX HSTNTXJAXVX  353D CHARTER FIBERLINK TX-CCO, LLC - TX 560      
346-412 0 Cypress TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2016-09-01   
346-412 1 Cypress TX HSTNTXJAXVX  353D CHARTER FIBERLINK TX-CCO, LLC - TX 560   2016-08-01   
346-412 2 Cypress TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2016-09-01   
346-412 3 Cypress TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2017-11-18   
346-412 4 Cypress TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2017-10-11   
346-412 5 Cypress TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2016-12-09   
346-412 6 Cypress TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2016-12-09   
346-412 7 Cypress TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2017-10-11   
346-412 8 Cypress TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2016-10-14   
346-412 9 Cypress TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2016-10-14   
346-413 A Spring TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-413 0 Spring TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2017-04-12   
346-413 1 Spring TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2017-04-12   
346-413 2 Spring TX HSTATX75DS0  7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 560   2017-02-17   
346-413 3 Spring TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2017-04-12   
346-413 4 Spring TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2017-05-19   
346-413 5 Spring TX HSTNTXGI1MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2017-06-04   
346-413 6 Spring TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2017-06-30   
346-413 7 Spring TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2017-07-03   
346-413 8 Spring TX HSTNTXJAX3Y  073H TELNYX LLC 560   2017-04-03   
346-413 9 Spring TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2017-02-03   
346-414 A Cleveland TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-414 0 Cleveland TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2017-11-04   
346-414 1 Cleveland TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2018-01-04   
346-414 2 Cleveland TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2018-01-04   
346-414 3 Cleveland TX HSTNTXJAX3Y  073H TELNYX LLC 560   2017-06-07   
346-414 4 Cleveland TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2017-10-23   
346-414 5 Cleveland TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2018-08-10   
346-414 6 Cleveland TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2018-08-10   
346-414 7 Cleveland TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2018-09-13   
346-414 8 Cleveland TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2018-06-03   
346-414 9 Cleveland TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2016-12-17   
346-415 A Houston Suburban TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 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 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 >>

Last updated: Sun, 17 Oct 2021 19:41:42 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.