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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-502 2 Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-10-24   
346-502 3 Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-10-24   
346-502 4 Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-10-24   
346-502 5 Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-10-24   
346-502 6 Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-10-24   
346-502 7 Houston TX HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2021-10-25   
346-502 8 Houston TX HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2021-10-25   
346-502 9 Houston TX HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2021-10-25   
346-503 A Houston TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. DBA T-MOBILE USA 560   2021-11-15   
346-503 0 Houston TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. DBA T-MOBILE USA 560   2021-11-15   
346-503 1 Houston TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. DBA T-MOBILE USA 560   2021-11-15   
346-503 2 Houston TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. DBA T-MOBILE USA 560   2021-11-15   
346-503 3 Houston TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. DBA T-MOBILE USA 560   2021-11-15   
346-503 4 Houston TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. DBA T-MOBILE USA 560   2021-11-15   
346-503 5 Houston TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. DBA T-MOBILE USA 560   2021-11-15   
346-503 6 Houston TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. DBA T-MOBILE USA 560   2021-11-15   
346-503 7 Houston TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. DBA T-MOBILE USA 560   2021-11-15   
346-503 8 Houston TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. DBA T-MOBILE USA 560   2021-11-15   
346-503 9 Houston TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. DBA T-MOBILE USA 560   2021-11-15   
346-504 A Houston TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. DBA T-MOBILE USA 560   2021-11-15   
346-504 0 Houston TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. DBA T-MOBILE USA 560   2021-11-15   
346-504 1 Houston TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. DBA T-MOBILE USA 560   2021-11-15   
346-504 2 Houston TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. DBA T-MOBILE USA 560   2021-11-15   
346-504 3 Houston TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. DBA T-MOBILE USA 560   2021-11-15   
346-504 4 Houston TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. DBA T-MOBILE USA 560   2021-11-15   
346-504 5 Houston TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. DBA T-MOBILE USA 560   2021-11-15   
346-504 6 Houston TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. DBA T-MOBILE USA 560   2021-11-15   
346-504 7 Houston TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. DBA T-MOBILE USA 560   2021-11-15   
346-504 8 Houston TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. DBA T-MOBILE USA 560   2021-11-15   
346-504 9 Houston TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. DBA T-MOBILE USA 560   2021-11-15   
346-505 A Bammel TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. DBA T-MOBILE USA 560   2021-11-15   
346-505 0 Bammel TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. DBA T-MOBILE USA 560   2021-11-15   
346-505 1 Bammel TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. DBA T-MOBILE USA 560   2021-11-15   
346-505 2 Bammel TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. DBA T-MOBILE USA 560   2021-11-15   
346-505 3 Bammel TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. DBA T-MOBILE USA 560   2021-11-15   
346-505 4 Bammel TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. DBA T-MOBILE USA 560   2021-11-15   
346-505 5 Bammel TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. DBA T-MOBILE USA 560   2021-11-15   
346-505 6 Bammel TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. DBA T-MOBILE USA 560   2021-11-15   
346-505 7 Bammel TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. DBA T-MOBILE USA 560   2021-11-15   
346-505 8 Bammel TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. DBA T-MOBILE USA 560   2021-11-15   
346-505 9 Bammel TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. DBA T-MOBILE USA 560   2021-11-15   
346-506 A Houston TX HSTNTXJAXSY  700J WAVENATION, LLC 560   2021-11-18   
346-506 0 Houston TX HSTNTXJAXSY  700J WAVENATION, LLC 560   2021-11-18   
346-506 1 Houston TX HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560   2021-11-19   
346-506 2 Houston TX HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560   2021-11-19   
346-506 3 Houston TX HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560   2021-11-19   
346-506 4 Houston TX HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560   2021-11-19   
346-506 5 Houston TX HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560   2021-11-19   
346-506 6 Houston TX HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560   2021-11-19   
346-506 7 Houston TX HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560   2021-11-19   

<< 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 >>

Last updated: Fri, 13 May 2022 22:16:13 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.