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.

Switch: SHMNTXGCDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
214-386 A McKinney EMS TX 0603 GRAYSON COLLIN COMMUNICATIONS 552      
214-831 A Anna TX 0603 GRAYSON COLLIN COMMUNICATIONS 552      
214-851 A Celina TX 0603 GRAYSON COLLIN COMMUNICATIONS 552      
469-715 A Prosper TX 0603 GRAYSON COLLIN COMMUNICATIONS 552      
469-715 1 Prosper TX 0603 GRAYSON COLLIN COMMUNICATIONS 552   2014-02-01   
903-290 A Tom Bean TX 0603 GRAYSON COLLIN COMMUNICATIONS 552      
903-290 2 Tom Bean TX 0603 GRAYSON COLLIN COMMUNICATIONS 552   2015-01-23   
903-304 2 Bonham TX 0603 GRAYSON COLLIN COMMUNICATIONS 552   2015-02-15   
903-548 A Denison TX 0603 GRAYSON COLLIN COMMUNICATIONS 552      
903-696 A Gunter TX 0603 GRAYSON COLLIN COMMUNICATIONS 552      
903-712 A Van Alstyne TX 0603 GRAYSON COLLIN COMMUNICATIONS 552      
903-745 A Howe TX 0603 GRAYSON COLLIN COMMUNICATIONS 552      
903-761 A Whitesboro TX 0603 GRAYSON COLLIN COMMUNICATIONS 552      
903-957 A Sherman TX 0603 GRAYSON COLLIN COMMUNICATIONS 552      

Last updated: Thu, 04 Aug 2022 23:14:42 UTC

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