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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-499 A Deer Park TX HSTNTXJAXBY  965H FRACTEL, LLC 560      
346-499 0 Deer Park TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2022-10-31   
346-499 1 Deer Park TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2021-11-07   
346-499 2 Deer Park TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2021-11-07   
346-499 3 Deer Park TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2021-11-07   
346-499 4 Deer Park TX HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560   2021-07-14   
346-499 5 Deer Park TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2022-10-31   
346-499 6 Deer Park TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2022-12-04   
346-499 7 Deer Park TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2021-08-30   
346-499 8 Deer Park TX HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2021-07-12   
346-499 9 Deer Park TX HSTNTXJAXBY  965H FRACTEL, LLC 560   2021-07-11   
346-500 A Houston TX HSTNTXJAXDY  145J TERRA NOVA TELECOM INC. 560      
346-500 0 Houston TX   145J TERRA NOVA TELECOM INC. 560   2022-04-15   
346-500 1 Houston TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2019-07-11   
346-500 2 Houston TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2019-07-11   
346-500 3 Houston TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2019-07-11   
346-500 4 Houston TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2019-07-11   
346-500 5 Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2019-06-15   
346-500 6 Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2019-06-15   
346-500 7 Houston TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2019-07-11   
346-500 8 Houston TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2019-06-08   
346-500 9 Houston TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2019-06-08   
346-501 A Barker TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560      
346-501 0 Barker TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2021-11-05   
346-501 1 Barker TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2021-11-05   
346-501 2 Barker TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2021-11-05   
346-501 3 Barker TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2021-11-05   
346-501 4 Barker TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2021-11-05   
346-501 5 Barker TX HSTDTXBG8MD  5562 METROPCS, INC. 560   2021-11-06   
346-501 6 Barker TX HSTDTXBG8MD  5562 METROPCS, INC. 560   2021-11-06   
346-501 7 Barker TX HSTDTXBG8MD  5562 METROPCS, INC. 560   2021-11-06   
346-501 8 Barker TX HSTDTXBG8MD  5562 METROPCS, INC. 560   2021-11-06   
346-501 9 Barker TX HSTDTXBG8MD  5562 METROPCS, INC. 560   2021-11-06   
346-502 A Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560      
346-502 0 Houston TX HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2021-10-25   
346-502 1 Houston TX HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2021-10-25   
346-502 2 Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-10-24   
346-502 3 Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-10-24   
346-502 4 Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-10-24   
346-502 5 Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-10-24   
346-502 6 Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-10-24   
346-502 7 Houston TX HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2021-10-25   
346-502 8 Houston TX HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2021-10-25   
346-502 9 Houston TX HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2021-10-25   
346-503 A Houston TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-503 0 Houston TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2021-11-15   
346-503 1 Houston TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2021-11-15   
346-503 2 Houston TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2021-11-15   
346-503 3 Houston TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2021-11-15   
346-503 4 Houston TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2021-11-15   

<< 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 >>

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.