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.

NPA: 903 [Rate centres in NPA 903] [Dial plan for NPA 903]

NXX: 951

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
903-951 A Sulphur Springs TX SLSPTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
903-951 0 Sulphur Springs TX CRTNTX35G03  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
903-951 1 Sulphur Springs TX DLLSTXRIXYY  318C CEBRIDGE TELECOM TX , L.P. - TX 552      
903-951 2 Sulphur Springs TX DLLSTXJFDMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552      
903-951 3 Sulphur Springs TX DLLSTXJFDMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552      
903-951 4 Sulphur Springs TX DLLSTXJFDMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552      
903-951 5 Sulphur Springs TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552      
903-951 6 Sulphur Springs TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552      
903-951 7 Sulphur Springs TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
903-951 8 Sulphur Springs TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552      
903-951 9 Sulphur Springs TX SLSPTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.