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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-870 5 Langham Creek TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-09-02   
346-870 6 Langham Creek TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-09-02   
346-870 7 Langham Creek TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-09-02   
346-870 8 Langham Creek TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-09-02   
346-870 9 Langham Creek TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-09-02   
346-871 A Stafford TX   6701 AERIAL COMMUNICATIONS, INC. 560   2025-07-13   
346-871 0 Stafford TX   6701 AERIAL COMMUNICATIONS, INC. 560   2025-07-14   
346-871 1 Stafford TX   6701 AERIAL COMMUNICATIONS, INC. 560   2025-07-14   
346-871 2 Stafford TX   6701 AERIAL COMMUNICATIONS, INC. 560   2025-07-14   
346-871 3 Stafford TX   903C ONVOY, LLC - TX 560   2025-09-27   
346-871 7 Stafford TX   6701 AERIAL COMMUNICATIONS, INC. 560   2025-07-13   
346-871 8 Stafford TX   6701 AERIAL COMMUNICATIONS, INC. 560   2025-07-13   
346-871 9 Stafford TX   6701 AERIAL COMMUNICATIONS, INC. 560   2025-07-13   
346-872 A Spring TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2025-07-25   
346-872 0 Spring TX   903C ONVOY, LLC - TX 560   2025-09-07   
346-872 1 Spring TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-08-15   
346-872 2 Spring TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-08-15   
346-872 3 Spring TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2025-09-26   
346-872 4 Spring TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2025-09-26   
346-872 8 Spring TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2025-07-25   
346-872 9 Spring TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2025-07-25   
346-873 A Humble TX   6701 AERIAL COMMUNICATIONS, INC. 560   2025-07-17   
346-873 0 Humble TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2025-07-18   
346-873 1 Humble TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2025-07-18   
346-873 2 Humble TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2025-09-19   
346-873 3 Humble TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2025-09-19   
346-873 6 Humble TX   829J PAETEC ITEL, LLC 560   2025-07-18   
346-873 7 Humble TX   6701 AERIAL COMMUNICATIONS, INC. 560   2025-07-17   
346-873 8 Humble TX   6701 AERIAL COMMUNICATIONS, INC. 560   2025-07-17   
346-873 9 Humble TX   6701 AERIAL COMMUNICATIONS, INC. 560   2025-07-17   
346-874 A Sugar Land TX HSTOTX42DS2  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
346-874 0 Sugar Land TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2017-01-03   
346-874 1 Sugar Land TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2017-01-03   
346-874 2 Sugar Land TX HSTOTX42DS2  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2016-12-10   
346-874 3 Sugar Land TX HSTOTX42DS2  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2016-12-10   
346-874 4 Sugar Land TX HSTOTX42DS2  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2016-12-10   
346-874 5 Sugar Land TX HSTOTX42DS2  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2016-12-10   
346-874 6 Sugar Land TX HSTOTX42DS2  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2016-12-10   
346-874 7 Sugar Land TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2017-09-19   
346-874 8 Sugar Land TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2017-10-21   
346-874 9 Sugar Land TX HSTDTXBGBMD  5562 METROPCS, INC. 560   2017-04-17   
346-875 A Houston TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2025-07-28   
346-875 0 Houston TX   732J NUSO, LLC 560   2025-07-29   
346-875 1 Houston TX   732J NUSO, LLC 560   2025-07-29   
346-875 2 Houston TX   732J NUSO, LLC 560   2025-07-29   
346-875 3 Houston TX   321J HD CARRIER LLC 560   2025-07-29   
346-875 4 Houston TX   321J HD CARRIER LLC 560   2025-07-29   
346-875 5 Houston TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-08-12   
346-875 6 Houston TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2025-07-28   
346-875 7 Houston TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-08-12   
346-875 8 Houston TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-08-12   
346-875 9 Houston TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-08-12   
346-876 A Barker TX   6701 AERIAL COMMUNICATIONS, INC. 560   2025-07-21   
346-876 0 Barker TX   6701 AERIAL COMMUNICATIONS, INC. 560   2025-08-29   
346-876 1 Barker TX   6701 AERIAL COMMUNICATIONS, INC. 560   2025-08-29   
346-876 2 Barker TX   6701 AERIAL COMMUNICATIONS, INC. 560   2025-07-21   
346-876 3 Barker TX   6701 AERIAL COMMUNICATIONS, INC. 560   2025-07-21   
346-876 4 Barker TX   6701 AERIAL COMMUNICATIONS, INC. 560   2025-07-21   
346-876 5 Barker TX   6701 AERIAL COMMUNICATIONS, INC. 560   2025-07-21   
346-876 6 Barker TX   6701 AERIAL COMMUNICATIONS, INC. 560   2025-07-21   
346-876 7 Barker TX   6701 AERIAL COMMUNICATIONS, INC. 560   2025-07-21   
346-876 8 Barker TX   6701 AERIAL COMMUNICATIONS, INC. 560   2025-07-21   
346-876 9 Barker TX   6701 AERIAL COMMUNICATIONS, INC. 560   2025-07-21   
346-877 A Deer Park TX HSTNTXJAXBY  965H FRACTEL, LLC 560      
346-877 0 Deer Park TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2019-09-09   
346-877 1 Deer Park TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2020-02-16   
346-877 2 Deer Park TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2020-02-16   
346-877 3 Deer Park TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2020-02-16   
346-877 4 Deer Park TX HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2020-06-30   
346-877 5 Deer Park TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2020-08-23   
346-877 6 Deer Park TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2020-08-23   
346-877 7 Deer Park TX   965H FRACTEL, LLC 560   2019-07-17   
346-877 8 Deer Park TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2020-08-23   
346-877 9 Deer Park TX HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2020-05-31   
346-878 A Langham Creek TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-08-01   
346-878 0 Langham Creek TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-08-01   
346-878 1 Langham Creek TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-08-01   
346-878 2 Langham Creek TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-08-01   
346-878 3 Langham Creek TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-08-01   
346-878 4 Langham Creek TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-08-01   
346-878 5 Langham Creek TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-08-01   
346-878 6 Langham Creek TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-08-01   
346-878 7 Langham Creek TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-08-01   
346-878 8 Langham Creek TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-08-01   
346-878 9 Langham Creek TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-08-01   
346-879 A Houston TX   700J WAVENATION, LLC 560   2025-09-12   
346-879 0 Houston TX   700J WAVENATION, LLC 560   2025-09-12   
346-879 1 Houston TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2025-09-17   
346-879 2 Houston TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2025-09-17   
346-879 3 Houston TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2025-09-17   
346-879 4 Houston TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2025-09-17   
346-879 5 Houston TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2025-09-18   
346-879 6 Houston TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2025-09-18   
346-879 7 Houston TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2025-09-18   
346-879 8 Houston TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2025-09-18   
346-879 9 Houston TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2025-09-18   
346-880 A Bammel TX   6701 AERIAL COMMUNICATIONS, INC. 560   2025-09-04   
346-880 0 Bammel TX   903C ONVOY, LLC - TX 560   2025-09-27   
346-880 2 Bammel TX   6701 AERIAL COMMUNICATIONS, INC. 560   2025-09-04   
346-880 3 Bammel TX   6701 AERIAL COMMUNICATIONS, INC. 560   2025-09-04   

<< 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 >>

Last updated: Mon, 15 Sep 2025 02:24:40 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.