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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-223 7 Houston TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2016-03-21   
346-223 8 Houston TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2016-03-21   
346-223 9 Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2016-05-06   
346-224 A Spring TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560      
346-224 0 Spring TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-08-07   
346-224 1 Spring TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-08-07   
346-224 2 Spring TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2015-08-06   
346-224 3 Spring TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-08-07   
346-224 4 Spring TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-08-07   
346-224 5 Spring TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-08-07   
346-224 6 Spring TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-08-07   
346-224 7 Spring TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2015-08-29   
346-224 8 Spring TX HSTNTX01X7X  516C AT&T CORP. 560   2015-08-31   
346-224 9 Spring TX HSTNTX01DS5  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2015-10-05   
346-225 A Tomball TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-225 0 Tomball TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-08-21   
346-225 1 Tomball TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-08-21   
346-225 2 Tomball TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-08-21   
346-225 3 Tomball TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-08-21   
346-225 4 Tomball TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-08-21   
346-225 5 Tomball TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-08-21   
346-225 6 Tomball TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-08-21   
346-225 7 Tomball TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-08-21   
346-225 8 Tomball TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-08-21   
346-225 9 Tomball TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-08-21   
346-226 A Houston TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560      
346-226 0 Houston TX   515J IP HORIZON LLC 560   2016-03-28   
346-226 1 Houston TX   515J IP HORIZON LLC 560   2016-03-28   
346-226 2 Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2016-04-22   
346-226 3 Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2016-04-22   
346-226 4 Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2016-04-22   
346-226 5 Houston TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2016-03-20   
346-226 6 Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2016-04-22   
346-226 7 Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2016-04-22   
346-226 8 Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2016-05-06   
346-226 9 Houston TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2016-05-09   
346-227 A Houston TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560      
346-227 0 Houston TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2016-05-09   
346-227 1 Houston TX HSTSTXJV6MD  508J CENTURYLINK COMMUNICATIONS, LLC 560   2016-04-21   
346-227 2 Houston TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2016-03-20   
346-227 3 Houston TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2016-05-09   
346-227 4 Houston TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2016-05-09   
346-227 5 Houston TX HSTNTX01MMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2016-05-02   
346-227 6 Houston TX HSTNTX01MMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2016-05-02   
346-227 7 Houston TX HSTNTX01MMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2016-05-02   
346-227 8 Houston TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2017-04-20   
346-227 9 Houston TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2016-05-09   
346-228 A Houston TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-228 0 Houston TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-05-23   
346-228 1 Houston TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-05-23   

<< 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 >>

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.