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.

Spring, TX

<< 1 2 3 4 5 6 7 8 9 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
346-331 7 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-331 8 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-331 9 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-334 A HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
346-334 0 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
346-334 1 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
346-334 2 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
346-334 3 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
346-334 4 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
346-334 5 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
346-334 6 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
346-334 7 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
346-334 8 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-334 9 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-351 A HSTNTXJAXVX  353D CHARTER FIBERLINK TX-CCO, LLC - TX 560      
346-351 0 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-351 1 HSTNTXJAXVX  353D CHARTER FIBERLINK TX-CCO, LLC - TX 560      
346-351 2 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560      
346-351 3 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-351 4 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-351 5 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-351 6 HSTNTXGI1MD  004F BANDWIDTH.COM CLEC, LLC - TX 560      
346-351 7 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-351 8 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-351 9 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-370 A HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-370 0 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-370 1 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-370 2 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-370 3 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-370 4 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-370 5 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-370 6 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-370 7 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-370 8 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-370 9 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-372 A HSTOTX46DS0  7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
346-372 0 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-372 1 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-372 2 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-372 3 HSTOTX46DS0  7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
346-372 4 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-372 5 HSTNTXGI1MD  004F BANDWIDTH.COM CLEC, LLC - TX 560      
346-372 6 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
346-372 7 HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560      
346-372 8 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560      
346-372 9 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-380 A HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-380 0 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-380 1 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-380 2 HSTNTXYADS5  903C ONVOY, LLC - TX 560      
346-380 3 HSTNTXYADS5  903C ONVOY, LLC - TX 560      
346-380 4 HSTNTXYADS5  903C ONVOY, LLC - TX 560      
346-380 5 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-380 6 HSTNTX01MMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
346-380 7 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-380 8 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-380 9 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-382 A HSTNTXYALMD  597F VOIP INNOVATIONS, LLC 560      
346-382 0 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-382 1 HSTNTXYALMD  597F VOIP INNOVATIONS, LLC 560      
346-382 2 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-382 3 HSTNTXJAXVX  353D CHARTER FIBERLINK TX-CCO, LLC - TX 560      
346-382 4   004F BANDWIDTH.COM CLEC, LLC - TX 560      
346-382 5 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-382 6 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-382 7 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-382 8 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-382 9 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
346-386 A HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560      
346-386 0 HSTNTXGI1MD  004F BANDWIDTH.COM CLEC, LLC - TX 560      
346-386 1 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-386 2 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-386 3 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-386 4 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-386 5 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-386 6 HSTNTXGI1MD  004F BANDWIDTH.COM CLEC, LLC - TX 560      
346-386 7 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-386 8 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-386 9 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-413 A HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-413 0 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-413 1 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-413 2 HSTATX757MD  7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 560      
346-413 3 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-413 4 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
346-413 5 HSTNTXGI1MD  004F BANDWIDTH.COM CLEC, LLC - TX 560      
346-413 6 HSTNTXYADS5  903C ONVOY, LLC - TX 560      
346-413 7 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
346-413 8 HSTNTXJAX3Y  073H TELNYX LLC 560      
346-413 9 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-442 A HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560      
346-442 0 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-442 1 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-442 2 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-442 3 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-442 4 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560      
346-442 5 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-442 6 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-442 7 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      

<< 1 2 3 4 5 6 7 8 9 >>

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.