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 EMS, TX

<< 1 2

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
281-825 3 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-825 4 HSTNTXSXDS1  8833 LOGIX COMMUNICATIONS CORPORATION - TX 560      
281-825 5 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-825 6 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
281-825 7 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
281-825 8 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
281-825 9 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
281-863 A SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-863 0 SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-863 1 SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-863 2 SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-863 3 SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-863 4 SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-863 5 SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-863 6 SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-863 7 HSTATX757MD  7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 560      
281-863 8 SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-863 9 HSTNTXYADS5  903C ONVOY, LLC - TX 560      
281-882 A SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-882 0 SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-882 1 SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-882 2 SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-882 3 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-882 4 SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-882 5 SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-882 6 SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-882 7 SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-882 8 HSTNTXSXDS1  8833 LOGIX COMMUNICATIONS CORPORATION - TX 560      
281-882 9 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
713-377 A SPRNTXSMRS0  9533 SOUTHWESTERN BELL 560      
713-377 0 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
713-377 1 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
713-377 2 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
713-377 3 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
713-377 4 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
713-377 5 SPRNTXSMRS0  9533 SOUTHWESTERN BELL 560      
713-377 6 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
713-377 7 SPRNTXSMRS0  9533 SOUTHWESTERN BELL 560      
713-377 8 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
713-377 9   515J IP HORIZON LLC 560      
713-897 A SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
713-897 0 HSTNTX279MD  7399 WESTEL, INC. - TX 560      
713-897 1 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
713-897 2 SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
713-897 3 SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
713-897 4 SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
713-897 5 SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
713-897 6 SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
713-897 7 SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
713-897 8 HSTNTXYADS5  903C ONVOY, LLC - TX 560      
713-897 9 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
832-246 A SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
832-246 0 SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
832-246 1 HSTNTXYADS5  903C ONVOY, LLC - TX 560      
832-246 2 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
832-246 3 HSTNTXYADS5  903C ONVOY, LLC - TX 560      
832-246 4 HSTNTXYADS5  903C ONVOY, LLC - TX 560      
832-246 5 HSTOTX46DS0  7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
832-246 6 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
832-246 7 HSTNTXYADS5  903C ONVOY, LLC - TX 560      
832-246 8 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560      
832-246 9 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
832-381 A HSTNTXCLX5Y  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
832-381 0 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
832-381 1 HSTNTXCLX5Y  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
832-381 2 HSTNTXYADS5  903C ONVOY, LLC - TX 560      
832-381 3 HSTNTXYADS5  903C ONVOY, LLC - TX 560      
832-381 4 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
832-381 5 HSTNTXCLX5Y  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
832-381 6 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
832-381 7 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
832-381 8 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
832-381 9 HSTNTXCLX5Y  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
832-636 A SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
832-813 A SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
832-813 0 SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
832-813 1 SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
832-813 2 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
832-813 4 SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
832-813 5 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560      
832-813 6 SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
832-813 7 SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
832-813 8 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560      
832-813 9 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      

<< 1 2

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.