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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-228 2 Houston TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-228 3 Houston TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-228 4 Houston TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-228 5 Houston TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-228 6 Houston TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-228 7 Houston TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-228 8 Houston TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-228 9 Houston TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-229 A Houston Suburban TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
346-229 0 Houston Suburban TX HSTNTXYADS5  903C ONVOY, LLC - TX 560      
346-229 1 Houston Suburban TX HSTNTXYADS5  903C ONVOY, LLC - TX 560      
346-229 2 Houston Suburban TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
346-229 3 Houston Suburban TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
346-229 4 Houston Suburban TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560      
346-229 5 Houston Suburban TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560      
346-229 6 Houston Suburban TX HSTOTX42DS2  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
346-229 7 Houston Suburban TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-229 8 Houston Suburban TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-229 9 Houston Suburban TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-230 A Apollo TX HSTNTXYADS5  903C ONVOY, LLC - TX 560      
346-230 0 Apollo TX HSTNTXYADS5  903C ONVOY, LLC - TX 560      
346-230 1 Apollo TX HSTNTXYADS5  903C ONVOY, LLC - TX 560      
346-230 2 Apollo TX HSTNTXYADS5  903C ONVOY, LLC - TX 560      
346-230 3 Apollo TX HSTNTXYADS5  903C ONVOY, LLC - TX 560      
346-230 4 Apollo TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560      
346-230 5 Apollo TX HSTNTXYADS5  903C ONVOY, LLC - TX 560      
346-230 6 Apollo TX HSTNTX01MMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
346-230 7 Apollo TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560      
346-230 8 Apollo TX   515J IP HORIZON LLC 560      
346-230 9 Apollo TX   515J IP HORIZON LLC 560      
346-231 A Houston TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
346-231 0 Houston TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
346-231 1 Houston TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
346-231 2 Houston TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
346-231 3 Houston TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
346-231 4 Houston TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
346-231 5 Houston TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
346-231 6 Houston TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
346-231 7 Houston TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
346-231 8 Houston TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
346-231 9 Houston TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
346-232 A Houston TX HSTOTX46DS0  7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
346-232 0 Houston TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-232 1 Houston TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-232 2 Houston TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-232 3 Houston TX HSTOTX46DS0  7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
346-232 4 Houston TX HSTOTX46DS0  7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
346-232 5 Houston TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-232 6 Houston TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-232 7 Houston TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-232 8 Houston TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-232 9 Houston TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-233 A Baytown TX HSTNTXYADS5  903C ONVOY, LLC - TX 560      
346-233 0 Baytown TX HSTNTXYADS5  903C ONVOY, LLC - TX 560      
346-233 1 Baytown TX HSTNTXYADS5  903C ONVOY, LLC - TX 560      
346-233 2 Baytown TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-233 3 Baytown TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-233 4 Baytown TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-233 5 Baytown TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-233 6 Baytown TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-233 7 Baytown TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
346-233 8 Baytown TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-233 9 Baytown TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-234 A Houston TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-234 0 Houston TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-234 1 Houston TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-234 2 Houston TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-234 3 Houston TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-234 4 Houston TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-234 5 Houston TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-234 6 Houston TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-234 7 Houston TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-234 8 Houston TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-234 9 Houston TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-235 A Bammel TX HSTNTXYADS5  903C ONVOY, LLC - TX 560      
346-235 0 Bammel TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560      
346-235 1 Bammel TX HSTNTXYADS5  903C ONVOY, LLC - TX 560      
346-235 2 Bammel TX HSTNTXJAXVX  353D CHARTER FIBERLINK TX-CCO, LLC - TX 560      
346-235 3 Bammel TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560      
346-235 4 Bammel TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-235 5 Bammel TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-235 6 Bammel TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-235 7 Bammel TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-235 8 Bammel TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-235 9 Bammel TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-236 A Tomball TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-236 0 Tomball TX HSTNTXYADS5  903C ONVOY, LLC - TX 560      
346-236 1 Tomball TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560      
346-236 2 Tomball TX HSTOTX46DS0  7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
346-236 3 Tomball TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-236 4 Tomball TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-236 5 Tomball TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-236 6 Tomball TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560      
346-236 7 Tomball TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-236 8 Tomball TX HSTNTX01X7X  516C AT&T CORP. 560      
346-236 9 Tomball TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-237 A Houston TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
346-237 0 Houston TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
346-237 1 Houston TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
346-237 2 Houston TX HSTNTX01MMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      

<< 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 >>

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.