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
281-203 A HSTNTX01DS5  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
281-203 0 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-203 1 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-203 2 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-203 3 HSTNTX01DS5  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
281-203 4 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-203 5 SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-203 6 HSTNTX01DS5  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
281-203 7 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-203 8   903C ONVOY, LLC - TX 560      
281-203 9 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-288 A SPRNTXSODS0  9533 SOUTHWESTERN BELL 560      
281-292 A SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-298 A SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-419 A SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-465 A SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-465 0 SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-465 1 SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-465 2 SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-465 3 SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-465 4 SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-465 5 SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-465 6 SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-465 7 SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-465 8 SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-465 9 SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-475 A HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
281-475 0 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
281-475 1 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-475 2 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-475 3 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
281-475 4 HSTNTXYADS5  903C ONVOY, LLC - TX 560      
281-475 5 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
281-475 6 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
281-475 7 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
281-475 8   903C ONVOY, LLC - TX 560      
281-475 9 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
281-528 A SPRNTXSODS0  9533 SOUTHWESTERN BELL 560      
281-528 0 SPRNTXSODS0  9533 SOUTHWESTERN BELL 560      
281-528 1 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-528 2 SPRNTXSODS0  9533 SOUTHWESTERN BELL 560      
281-528 3 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-528 4 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-528 5 SPRNTXSODS0  9533 SOUTHWESTERN BELL 560      
281-528 6 SPRNTXSODS0  9533 SOUTHWESTERN BELL 560      
281-528 7 SPRNTXSODS0  9533 SOUTHWESTERN BELL 560      
281-528 8 SPRNTXSODS0  9533 SOUTHWESTERN BELL 560      
281-528 9 SPRNTXSODS0  9533 SOUTHWESTERN BELL 560      
281-541 A   6701 AERIAL COMMUNICATIONS, INC. 560      
281-541 0   6701 AERIAL COMMUNICATIONS, INC. 560      
281-541 1 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-541 2 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-541 3 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-541 4 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-541 5 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-541 6 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-541 7 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-541 8 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-541 9 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-602 A HSTQTX02DMD  8489 GLOBAL CROSSING LOCAL SERVICES, INC. - TX 560      
281-602 0 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-602 1   145J TERRA NOVA TELECOM INC. 560      
281-602 2 HSTQTX02DMD  8489 GLOBAL CROSSING LOCAL SERVICES, INC. - TX 560      
281-602 3 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-602 4 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-602 5 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-602 6   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
281-602 7 HSTNTXSXDS1  8833 LOGIX COMMUNICATIONS CORPORATION - TX 560      
281-602 8 HSTNTXYADS5  903C ONVOY, LLC - TX 560      
281-602 9 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-771 A HSTNTX01X7X  516C AT&T CORP. 560      
281-771 0 HSTNTXYADS5  903C ONVOY, LLC - TX 560      
281-771 1 HSTNTXYADS5  903C ONVOY, LLC - TX 560      
281-771 2 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-771 3 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560      
281-771 4 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-771 5 HSTNTX01X7X  516C AT&T CORP. 560      
281-771 6 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-771 7 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-771 8 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-771 9 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-790 A HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-790 0 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-790 1 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-790 2 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-790 3 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-790 4 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-790 5 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-790 6 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-790 7 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-790 8 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-790 9 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-791 A HSTWTXBIDS0  7715 MATRIX TELECOM, LLC. S/I/I TNCI - TX 560      
281-801 A HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560      
281-801 0 HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560      
281-801 1 HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560      
281-801 2 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-801 3 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-801 4 HSTNTXYADS5  903C ONVOY, LLC - TX 560      
281-801 5 HSTNTXYADS5  903C ONVOY, LLC - TX 560      

1 2 3 4 5 6 7 8 9 >>

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.