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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-327 4 Houston TX   004F BANDWIDTH.COM CLEC, LLC - TX 560   2018-05-22   
346-327 5 Houston TX   004F BANDWIDTH.COM CLEC, LLC - TX 560   2018-05-22   
346-327 6 Houston TX   004F BANDWIDTH.COM CLEC, LLC - TX 560   2018-05-22   
346-327 7 Houston TX   004F BANDWIDTH.COM CLEC, LLC - TX 560   2018-05-22   
346-327 8 Houston TX   004F BANDWIDTH.COM CLEC, LLC - TX 560   2018-05-22   
346-327 9 Houston TX   004F BANDWIDTH.COM CLEC, LLC - TX 560   2018-05-22   
346-328 A Spring TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2018-05-21   
346-328 0 Spring TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2018-07-07   
346-328 1 Spring TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2018-07-07   
346-328 2 Spring TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2018-09-01   
346-328 3 Spring TX   6701 AERIAL COMMUNICATIONS DBA T-MOBILE USA 560   2018-11-04   
346-328 4 Spring TX   7087 ICG CHOICE COM, L.P. - TX 560   2018-10-25   
346-328 5 Spring TX   6701 AERIAL COMMUNICATIONS DBA T-MOBILE USA 560   2018-11-04   
346-328 6 Spring TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2018-05-21   
346-328 7 Spring TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2018-06-04   
346-328 9 Spring TX   6701 AERIAL COMMUNICATIONS DBA T-MOBILE USA 560   2018-11-04   
346-329 A Bammel TX   6664 SPRINT SPECTRUM L.P. 560   2018-05-10   
346-329 0 Bammel TX   6701 AERIAL COMMUNICATIONS DBA T-MOBILE USA 560   2018-09-27   
346-329 1 Bammel TX   6664 SPRINT SPECTRUM L.P. 560   2018-05-10   
346-329 2 Bammel TX   6701 AERIAL COMMUNICATIONS DBA T-MOBILE USA 560   2018-09-27   
346-329 3 Bammel TX   6701 AERIAL COMMUNICATIONS DBA T-MOBILE USA 560   2018-09-27   
346-329 4 Bammel TX   6701 AERIAL COMMUNICATIONS DBA T-MOBILE USA 560   2018-09-27   
346-329 5 Bammel TX   6701 AERIAL COMMUNICATIONS DBA T-MOBILE USA 560   2018-09-27   
346-329 6 Bammel TX   6664 SPRINT SPECTRUM L.P. 560   2019-10-08   
346-329 7 Bammel TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2018-07-14   
346-329 8 Bammel TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2018-07-14   
346-329 9 Bammel TX   6664 SPRINT SPECTRUM L.P. 560   2018-05-10   
346-330 A Houston TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
346-330 0 Houston TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2017-01-02   
346-330 1 Houston TX   004F BANDWIDTH.COM CLEC, LLC - TX 560   2017-08-29   
346-330 2 Houston TX   004F BANDWIDTH.COM CLEC, LLC - TX 560   2017-08-29   
346-330 3 Houston TX   004F BANDWIDTH.COM CLEC, LLC - TX 560   2017-08-29   
346-330 4 Houston TX   004F BANDWIDTH.COM CLEC, LLC - TX 560   2017-08-29   
346-330 5 Houston TX   903C ONVOY, LLC - TX 560   2017-01-05   
346-330 6 Houston TX   903C ONVOY, LLC - TX 560   2017-01-05   
346-330 7 Houston TX   880G RCLEC, INC. - TX 560   2017-03-20   
346-330 8 Houston TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2017-06-12   
346-330 9 Houston TX   8625 COMCAST PHONE OF TEXAS, LLC - TX 560   2017-05-22   
346-331 A Spring TX   8625 COMCAST PHONE OF TEXAS, LLC - TX 560      
346-331 0 Spring TX   6701 AERIAL COMMUNICATIONS DBA T-MOBILE USA 560   2015-10-15   
346-331 1 Spring TX   6701 AERIAL COMMUNICATIONS DBA T-MOBILE USA 560   2015-10-15   
346-331 2 Spring TX   8625 COMCAST PHONE OF TEXAS, LLC - TX 560   2015-08-31   
346-331 3 Spring TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2015-10-17   
346-331 4 Spring TX   903C ONVOY, LLC - TX 560   2015-12-08   
346-331 5 Spring TX   903C ONVOY, LLC - TX 560   2015-12-08   
346-331 6 Spring TX   8625 COMCAST PHONE OF TEXAS, LLC - TX 560   2015-12-21   
346-331 7 Spring TX   6701 AERIAL COMMUNICATIONS DBA T-MOBILE USA 560   2016-01-03   
346-331 8 Spring TX   6701 AERIAL COMMUNICATIONS DBA T-MOBILE USA 560   2015-10-15   
346-331 9 Spring TX   6701 AERIAL COMMUNICATIONS DBA T-MOBILE USA 560   2015-10-15   
346-332 A Cypress TX   903C ONVOY, LLC - TX 560   2018-04-21   

<< 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 >>

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.