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.

Windom, TX

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
430-799 A DLLSTX97X5X  965H FRACTEL, LLC 552      
430-799 0   624H ONVOY SPECTRUM, LLC 552      
430-799 8   177F PEERLESS NETWORK OF TEXAS, LLC - TX 552      
430-799 9 DLLSTX97X5X  965H FRACTEL, LLC 552      
903-313 A DLLSTXBKDS1  7715 MATRIX TELECOM, LLC. S/I/I TNCI - TX 552      
903-623 A WNDMTXXADS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
903-623 0 DLLSTX23X9X  135H PEOPLES COMMUNICATION, INC. -TX 552      
903-623 1 DLLSTXALDS4  903C ONVOY, LLC - TX 552      
903-623 2   145J TERRA NOVA TELECOM INC. 552      
903-623 3 DLLSTX97X1X  073H TELNYX LLC 552      
903-623 4 WNDMTXXADS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
903-623 5 DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552      
903-623 6 DLLSTXALDS4  903C ONVOY, LLC - TX 552      
903-623 7 DLLSTXALDS4  903C ONVOY, LLC - TX 552      
903-623 8 DLLSTXALDS4  903C ONVOY, LLC - TX 552      
903-623 9 DLLSTXALDS4  903C ONVOY, LLC - TX 552      
903-929 A DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
903-929 1 DLLSTXALDS4  903C ONVOY, LLC - TX 552      
903-929 2 DLLSTX97X9X  516J TON80 COMMUNICATIONS, LLC 552      
903-929 3 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
903-929 4 DLLSTX97DSS  177F PEERLESS NETWORK OF TEXAS, LLC - TX 552      
903-929 5 DLLSTX97DSS  177F PEERLESS NETWORK OF TEXAS, LLC - TX 552      
903-929 6 FTWQTXFH0MD  508J CENTURYLINK COMMUNICATIONS, LLC 552      
903-929 7 DLLSTXALDS4  903C ONVOY, LLC - TX 552      
903-929 8   515J IP HORIZON LLC 552      
903-929 9   145J TERRA NOVA TELECOM INC. 552      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.