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.

Sulphur Springs, TX

<< 1 2 3 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
903-307 2   903C ONVOY, LLC - TX 552   2013-02-03   
903-307 3   903C ONVOY, LLC - TX 552   2012-07-06   
903-307 4   903C ONVOY, LLC - TX 552   2012-12-13   
903-307 5   903C ONVOY, LLC - TX 552   2012-12-13   
903-307 6   903C ONVOY, LLC - TX 552   2012-12-13   
903-307 7   903C ONVOY, LLC - TX 552   2012-12-13   
903-307 8   4042 CUMBY TELEPHONE COOPERATIVE, INC. 552   2013-05-18   
903-307 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2011-12-23   
903-335 A DLLSTXJFDMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552      
903-335 0   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552      
903-335 1   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552      
903-335 2   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552      
903-335 3   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552   2006-03-13   
903-335 4   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552   2006-07-07   
903-335 5   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552   2007-12-24   
903-335 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2007-11-25   
903-335 7   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552   2006-11-02   
903-335 8   318C CEBRIDGE TELECOM TX , L.P. - TX 552   2007-05-11   
903-335 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2007-11-25   
903-348 A DLLTTX01HMD  5562 METROPCS, INC. 552      
903-348 0   5562 METROPCS, INC. 552      
903-348 1   5562 METROPCS, INC. 552      
903-348 2   5562 METROPCS, INC. 552      
903-348 3   5562 METROPCS, INC. 552      
903-348 4   5562 METROPCS, INC. 552      
903-348 5   5562 METROPCS, INC. 552      
903-348 6   5562 METROPCS, INC. 552      
903-348 7   5562 METROPCS, INC. 552      
903-348 8   5562 METROPCS, INC. 552      
903-348 9   6529 T-MOBILE USA, INC. 552      
903-438 A SLSPTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
903-438 0   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
903-438 1   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
903-438 2   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
903-438 3   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
903-438 4   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
903-438 5   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
903-438 6   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552      
903-438 7   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
903-438 8   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
903-438 9   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
903-439 A SLSPTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
903-439 0   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
903-439 1   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
903-439 2   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
903-439 3   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
903-439 4   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
903-439 5   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
903-439 6   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
903-439 7   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      

<< 1 2 3 >>

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.