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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-980 8 Houston TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2015-05-02   
346-980 9 Houston TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2015-05-09   
346-986 A Humble TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2026-06-25   
346-986 0 Humble TX   903C ONVOY, LLC - TX 560   2026-09-12   
346-986 1 Humble TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2026-09-18   
346-986 2 Humble TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2026-09-18   
346-986 3 Humble TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2026-09-18   
346-986 8 Humble TX   6701 AERIAL COMMUNICATIONS, INC. 560   2026-08-08   
346-986 9 Humble TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2026-06-25   
346-988 A Cleveland TX HSTNTXJAXBY  965H FRACTEL, LLC 560      
346-988 0 Cleveland TX HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2020-05-31   
346-988 1 Cleveland TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2020-09-04   
346-988 2 Cleveland TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2020-01-30   
346-988 3 Cleveland TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2020-01-30   
346-988 4 Cleveland TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2020-01-30   
346-988 5 Cleveland TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2020-05-11   
346-988 6 Cleveland TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2020-05-11   
346-988 7 Cleveland TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2020-09-04   
346-988 8 Cleveland TX HSTNTXJAXBY  965H FRACTEL, LLC 560   2019-07-17   
346-988 9 Cleveland TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2020-02-21   
346-992 A Houston TX   053L TELIMIZE, LLC 560   2026-10-02   
346-992 2 Houston TX   053L TELIMIZE, LLC 560   2026-10-02   
346-992 3 Houston TX   053L TELIMIZE, LLC 560   2026-10-02   
346-992 4 Houston TX   053L TELIMIZE, LLC 560   2026-10-02   
346-995 A Langham Creek TX   903C ONVOY, LLC - TX 560   2026-10-10   
346-995 0 Langham Creek TX   903C ONVOY, LLC - TX 560   2026-10-10   
346-996 A Langham Creek TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2026-10-10   
346-996 0 Langham Creek TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2026-10-10   
346-996 1 Langham Creek TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2026-10-10   
346-996 2 Langham Creek TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2026-10-10   
346-996 3 Langham Creek TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2026-10-10   
346-996 4 Langham Creek TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2026-10-10   
346-996 5 Langham Creek TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2026-10-10   
346-996 6 Langham Creek TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2026-10-10   
346-996 7 Langham Creek TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2026-10-10   
346-996 8 Langham Creek TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2026-10-10   
346-996 9 Langham Creek TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2026-10-10   
346-997 A Satsuma TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2026-09-14   
346-997 0 Satsuma TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2026-09-15   
346-997 1 Satsuma TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2026-09-15   
346-997 6 Satsuma TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2026-09-14   
346-997 7 Satsuma TX   903C ONVOY, LLC - TX 560   2026-09-15   
346-997 8 Satsuma TX   903C ONVOY, LLC - TX 560   2026-09-15   
346-998 A Houston TX HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560      
346-998 0 Houston TX HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2016-12-10   
346-998 1 Houston TX HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2016-12-10   
346-998 2 Houston TX HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2016-12-10   
346-998 3 Houston TX HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2016-12-10   
346-998 4 Houston TX HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2016-12-10   
346-998 5 Houston TX HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2016-12-10   

<< 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 >>

Last updated: Tue, 01 Sep 2026 00:40:05 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.