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      
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: Sun, 10 Nov 2019 13:49:34 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.