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: 910

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
903-910 A Mabank TX DLLSTXJFDMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552      
903-910 0 Mabank TX DLLSTXJFDMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552   2013-08-30   
903-910 1 Mabank TX DLLSTXJFDMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552   2012-12-29   
903-910 2 Mabank TX FTWQTXFH0MD  508J CENTURYLINK COMMUNICATIONS, LLC 552   2014-05-16   
903-910 3 Mabank TX ATHNTXXATMD  903C ONVOY, LLC - TX 552   2014-01-18   
903-910 4 Mabank TX FTWOTXEDX1Z  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552   2013-06-01   
903-910 5 Mabank TX ATHNTXXAAMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2013-03-11   
903-910 6 Mabank TX ATHNTXXAAMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2012-12-14   
903-910 7 Mabank TX ATHNTXXAAMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2011-11-21   
903-910 8 Mabank TX ATHNTXXAAMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2011-11-21   
903-910 9 Mabank TX DLLSTXJFDMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552   2010-06-28   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.