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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-500 0 Houston TX HSTNTXJAXDY  145J TERRA NOVA TELECOM INC. 560   2019-05-18   
346-500 1 Houston TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2019-07-11   
346-500 2 Houston TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2019-07-11   
346-500 3 Houston TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2019-07-11   
346-500 4 Houston TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2019-07-11   
346-500 5 Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2019-06-15   
346-500 6 Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2019-06-15   
346-500 7 Houston TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2019-07-11   
346-500 8 Houston TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2019-06-08   
346-500 9 Houston TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2019-06-08   
346-501 A Barker TX   004F BANDWIDTH.COM CLEC, LLC - TX 560   2021-11-05   
346-501 0 Barker TX   004F BANDWIDTH.COM CLEC, LLC - TX 560   2021-11-05   
346-501 1 Barker TX   004F BANDWIDTH.COM CLEC, LLC - TX 560   2021-11-05   
346-501 2 Barker TX   004F BANDWIDTH.COM CLEC, LLC - TX 560   2021-11-05   
346-501 3 Barker TX   004F BANDWIDTH.COM CLEC, LLC - TX 560   2021-11-05   
346-501 4 Barker TX   004F BANDWIDTH.COM CLEC, LLC - TX 560   2021-11-05   
346-501 5 Barker TX   5562 METROPCS, INC. 560   2021-11-06   
346-501 6 Barker TX   5562 METROPCS, INC. 560   2021-11-06   
346-501 7 Barker TX   5562 METROPCS, INC. 560   2021-11-06   
346-501 8 Barker TX   5562 METROPCS, INC. 560   2021-11-06   
346-501 9 Barker TX   5562 METROPCS, INC. 560   2021-11-06   
346-502 A Houston TX   903C ONVOY, LLC - TX 560   2021-10-24   
346-502 0 Houston TX   177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2021-10-25   
346-502 1 Houston TX   177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2021-10-25   
346-502 2 Houston TX   903C ONVOY, LLC - TX 560   2021-10-24   
346-502 3 Houston TX   903C ONVOY, LLC - TX 560   2021-10-24   
346-502 4 Houston TX   903C ONVOY, LLC - TX 560   2021-10-24   
346-502 5 Houston TX   903C ONVOY, LLC - TX 560   2021-10-24   
346-502 6 Houston TX   903C ONVOY, LLC - TX 560   2021-10-24   
346-502 7 Houston TX   177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2021-10-25   
346-502 8 Houston TX   177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2021-10-25   
346-502 9 Houston TX   177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2021-10-25   
346-503 A Houston TX   6701 AERIAL COMMUNICATIONS, INC. 560   2021-11-15   
346-503 0 Houston TX   6701 AERIAL COMMUNICATIONS, INC. 560   2021-11-15   
346-503 1 Houston TX   6701 AERIAL COMMUNICATIONS, INC. 560   2021-11-15   
346-503 2 Houston TX   6701 AERIAL COMMUNICATIONS, INC. 560   2021-11-15   
346-503 3 Houston TX   6701 AERIAL COMMUNICATIONS, INC. 560   2021-11-15   
346-503 4 Houston TX   6701 AERIAL COMMUNICATIONS, INC. 560   2021-11-15   
346-503 5 Houston TX   6701 AERIAL COMMUNICATIONS, INC. 560   2021-11-15   
346-503 6 Houston TX   6701 AERIAL COMMUNICATIONS, INC. 560   2021-11-15   
346-503 7 Houston TX   6701 AERIAL COMMUNICATIONS, INC. 560   2021-11-15   
346-503 8 Houston TX   6701 AERIAL COMMUNICATIONS, INC. 560   2021-11-15   
346-503 9 Houston TX   6701 AERIAL COMMUNICATIONS, INC. 560   2021-11-15   
346-504 A Houston TX   6701 AERIAL COMMUNICATIONS, INC. 560   2021-11-15   
346-504 0 Houston TX   6701 AERIAL COMMUNICATIONS, INC. 560   2021-11-15   
346-504 1 Houston TX   6701 AERIAL COMMUNICATIONS, INC. 560   2021-11-15   
346-504 2 Houston TX   6701 AERIAL COMMUNICATIONS, INC. 560   2021-11-15   
346-504 3 Houston TX   6701 AERIAL COMMUNICATIONS, INC. 560   2021-11-15   
346-504 4 Houston TX   6701 AERIAL COMMUNICATIONS, INC. 560   2021-11-15   
346-504 5 Houston TX   6701 AERIAL COMMUNICATIONS, INC. 560   2021-11-15   

<< 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 >>

Last updated: Wed, 12 Jan 2022 16:20:07 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.