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 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-567 2 Mont Belvieu TX HSTQTX02EMD  197D VONAGE AMERICA LLC 560   2020-05-08   
346-567 3 Mont Belvieu TX HSTQTX02EMD  197D VONAGE AMERICA LLC 560   2020-05-08   
346-567 4 Mont Belvieu TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2019-08-15   
346-567 5 Mont Belvieu TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2019-08-15   
346-567 6 Mont Belvieu TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2020-08-22   
346-567 7 Mont Belvieu TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2020-08-22   
346-567 8 Mont Belvieu TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2020-08-22   
346-567 9 Mont Belvieu TX HSTNTXYANMD  506J TWILIO INTERNATIONAL, INC. 560   2020-10-08   
346-568 A Langham Creek TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560      
346-568 0 Langham Creek TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2022-09-03   
346-568 1 Langham Creek TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2022-09-03   
346-568 2 Langham Creek TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2022-09-03   
346-568 3 Langham Creek TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2022-09-03   
346-568 4 Langham Creek TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2022-09-03   
346-568 5 Langham Creek TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2022-10-24   
346-568 6 Langham Creek TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2022-10-24   
346-568 7 Langham Creek TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2022-10-24   
346-568 8 Langham Creek TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2022-11-09   
346-568 9 Langham Creek TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2022-11-09   
346-569 A Satsuma TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560      
346-569 0 Satsuma TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2022-09-03   
346-569 1 Satsuma TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2022-09-03   
346-569 2 Satsuma TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2022-09-03   
346-569 3 Satsuma TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2022-09-03   
346-569 4 Satsuma TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2022-09-03   
346-569 5 Satsuma TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2022-10-23   
346-569 6 Satsuma TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2022-10-23   
346-569 7 Satsuma TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2022-10-23   
346-569 8 Satsuma TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2022-10-23   
346-569 9 Satsuma TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2022-10-30   
346-570 A Houston Suburban TX HSTOTX42DS2  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
346-570 0 Houston Suburban TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2016-12-24   
346-570 1 Houston Suburban TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2016-12-24   
346-570 2 Houston Suburban TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2017-09-04   
346-570 3 Houston Suburban TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2017-09-15   
346-570 4 Houston Suburban TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2016-10-29   
346-570 5 Houston Suburban TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2017-05-18   
346-570 6 Houston Suburban TX HSTNTX01DS5  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2017-08-01   
346-570 7 Houston Suburban TX HSTNTX01DS5  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2017-08-01   
346-570 8 Houston Suburban TX HSTNTX01DS5  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2017-08-01   
346-570 9 Houston Suburban TX HSTNTX01DS5  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2017-08-01   
346-571 A Houston TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560      
346-571 0 Houston TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2015-10-30   
346-571 1 Houston TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2015-10-30   
346-571 2 Houston TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2015-10-30   
346-571 3 Houston TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2015-10-30   
346-571 4 Houston TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2015-10-30   
346-571 5 Houston TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2015-10-30   
346-571 6 Houston TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2015-10-30   
346-571 7 Houston TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2015-10-30   

<< 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 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 >>

Last updated: Sat, 25 Feb 2023 02:10:49 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.