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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-633 1 Deer Park TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2021-05-10   
346-633 2 Deer Park TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-03-18   
346-633 3 Deer Park TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-03-18   
346-633 4 Deer Park TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-03-18   
346-633 5 Deer Park TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2021-05-10   
346-633 6 Deer Park TX   516J TON80 COMMUNICATIONS LLC 560   2022-02-04   
346-633 7 Deer Park TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2021-04-02   
346-633 8 Deer Park TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2021-04-02   
346-633 9 Deer Park TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2021-04-02   
346-634 A Cypress TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2023-03-20   
346-634 7 Cypress TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2023-03-20   
346-634 8 Cypress TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2023-03-20   
346-634 9 Cypress TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2023-03-20   
346-636 A Bammel TX   903C ONVOY, LLC - TX 560   2023-01-16   
346-636 1 Bammel TX   004F BANDWIDTH.COM CLEC, LLC - TX 560   2023-02-19   
346-636 2 Bammel TX   004F BANDWIDTH.COM CLEC, LLC - TX 560   2023-02-19   
346-636 3 Bammel TX   903C ONVOY, LLC - TX 560   2023-01-16   
346-636 4 Bammel TX   903C ONVOY, LLC - TX 560   2023-01-16   
346-636 5 Bammel TX   903C ONVOY, LLC - TX 560   2023-01-16   
346-636 6 Bammel TX   004F BANDWIDTH.COM CLEC, LLC - TX 560   2023-02-19   
346-636 7 Bammel TX   004F BANDWIDTH.COM CLEC, LLC - TX 560   2023-02-19   
346-636 8 Bammel TX   004F BANDWIDTH.COM CLEC, LLC - TX 560   2023-02-19   
346-636 9 Bammel TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2023-01-28   
346-637 A Katy TX   516J TON80 COMMUNICATIONS LLC 560   2022-03-17   
346-637 0 Katy TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2022-12-23   
346-637 1 Katy TX   903C ONVOY, LLC - TX 560   2022-12-12   
346-637 2 Katy TX   903C ONVOY, LLC - TX 560   2022-04-01   
346-637 3 Katy TX   903C ONVOY, LLC - TX 560   2022-04-01   
346-637 4 Katy TX   903C ONVOY, LLC - TX 560   2022-04-01   
346-637 5 Katy TX   903C ONVOY, LLC - TX 560   2022-12-12   
346-637 6 Katy TX   903C ONVOY, LLC - TX 560   2022-12-12   
346-637 7 Katy TX   516J TON80 COMMUNICATIONS LLC 560   2022-03-17   
346-637 8 Katy TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2022-12-23   
346-637 9 Katy TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2022-12-23   
346-638 A Houston TX   6701 AERIAL COMMUNICATIONS, INC. DBA T-MOBILE USA 560   2023-03-17   
346-638 0 Houston TX   6701 AERIAL COMMUNICATIONS, INC. DBA T-MOBILE USA 560   2023-03-17   
346-638 1 Houston TX   6701 AERIAL COMMUNICATIONS, INC. DBA T-MOBILE USA 560   2023-03-17   
346-638 2 Houston TX   6701 AERIAL COMMUNICATIONS, INC. DBA T-MOBILE USA 560   2023-03-17   
346-638 3 Houston TX   6701 AERIAL COMMUNICATIONS, INC. DBA T-MOBILE USA 560   2023-03-17   
346-638 4 Houston TX   6701 AERIAL COMMUNICATIONS, INC. DBA T-MOBILE USA 560   2023-03-17   
346-638 5 Houston TX   6701 AERIAL COMMUNICATIONS, INC. DBA T-MOBILE USA 560   2023-03-17   
346-638 6 Houston TX   6701 AERIAL COMMUNICATIONS, INC. DBA T-MOBILE USA 560   2023-03-17   
346-638 7 Houston TX   6701 AERIAL COMMUNICATIONS, INC. DBA T-MOBILE USA 560   2023-03-17   
346-638 8 Houston TX   6701 AERIAL COMMUNICATIONS, INC. DBA T-MOBILE USA 560   2023-03-17   
346-638 9 Houston TX   6701 AERIAL COMMUNICATIONS, INC. DBA T-MOBILE USA 560   2023-03-17   
346-639 A Houston Suburban TX   516J TON80 COMMUNICATIONS LLC 560   2022-03-11   
346-639 0 Houston Suburban TX   624H ONVOY SPECTRUM, LLC 560   2022-03-21   
346-639 1 Houston Suburban TX   624H ONVOY SPECTRUM, LLC 560   2022-03-21   
346-639 2 Houston Suburban TX   903C ONVOY, LLC - TX 560   2022-03-12   
346-639 3 Houston Suburban TX   903C ONVOY, LLC - TX 560   2022-03-12   

<< 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 >>

Last updated: Tue, 24 Jan 2023 03:01:57 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.