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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-457 9 Katy TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2021-09-06   
346-458 A Beach City TX HSTNTXYAPMD  495J STRATUS NETWORKS 560      
346-458 0 Beach City TX BYTWTXXARMD  624H ONVOY SPECTRUM, LLC 560   2021-11-26   
346-458 1 Beach City TX HSTNTXYAPMD  495J STRATUS NETWORKS 560   2021-05-16   
346-458 2 Beach City TX BYTWTXXARMD  624H ONVOY SPECTRUM, LLC 560   2021-11-26   
346-458 3 Beach City TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2022-04-08   
346-458 4 Beach City TX BYTWTXXAHMD  903C ONVOY, LLC - TX 560   2021-11-25   
346-458 5 Beach City TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2022-04-08   
346-458 6 Beach City TX HSTNTXJAXGY  516J TON80 COMMUNICATIONS, LLC 560   2021-06-14   
346-458 8 Beach City TX   6701 AERIAL COMMUNICATIONS, INC. 560   2022-04-08   
346-458 9 Beach City TX HSTGTX052MD  073H TELNYX LLC 560   2022-04-02   
346-459 A Spring TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
346-459 0 Spring TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2021-05-27   
346-459 1 Spring TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2021-05-27   
346-459 2 Spring TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2022-02-10   
346-459 3 Spring TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2022-02-10   
346-459 4 Spring TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2022-01-11   
346-459 5 Spring TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2022-01-11   
346-459 6 Spring TX HSTQTX02EMD  197D VONAGE AMERICA LLC 560   2021-05-29   
346-459 7 Spring TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2021-06-26   
346-459 8 Spring TX   515J IP HORIZON LLC 560   2021-06-05   
346-459 9 Spring TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2021-06-26   
346-460 A Bammel TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-460 0 Bammel TX   515J IP HORIZON LLC 560   2021-06-22   
346-460 1 Bammel TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2021-09-09   
346-460 2 Bammel TX HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560   2021-07-08   
346-460 3 Bammel TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2021-09-09   
346-460 4 Bammel TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-07-02   
346-460 5 Bammel TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-07-02   
346-460 6 Bammel TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-07-02   
346-460 7 Bammel TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-07-02   
346-460 8 Bammel TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2021-06-21   
346-460 9 Bammel TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2021-06-21   
346-461 A Houston Suburban TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-461 0 Houston Suburban TX HSTNTX362MD  939H COMMIO, LLC 560   2021-06-22   
346-461 1 Houston Suburban TX HSTNTX362MD  939H COMMIO, LLC 560   2021-06-22   
346-461 2 Houston Suburban TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2021-06-21   
346-461 3 Houston Suburban TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2021-06-21   
346-461 4 Houston Suburban TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2021-06-21   
346-461 5 Houston Suburban TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2021-06-21   
346-461 6 Houston Suburban TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2021-06-21   
346-461 7 Houston Suburban TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2021-06-21   
346-461 8 Houston Suburban TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2021-06-21   
346-461 9 Houston Suburban TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2021-06-21   
346-462 A Cypress TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-462 0 Cypress TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2021-07-01   
346-462 1 Cypress TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2021-07-01   
346-462 2 Cypress TX   515J IP HORIZON LLC 560   2021-07-02   
346-462 3 Cypress TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2021-09-13   
346-462 4 Cypress TX HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560   2021-07-09   

<< 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 >>

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.