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: DLLATX37DMD

<< 1 2 3

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
972-833 5 Ferris TX 8489 GLOBAL CROSSING LOCAL SERVICES, INC. - TX 552   2010-10-18   
972-846 3 Bristol EMS TX 8489 GLOBAL CROSSING LOCAL SERVICES, INC. - TX 552   2010-10-18   
972-992 A Grand Prairie TX 8489 GLOBAL CROSSING LOCAL SERVICES, INC. - TX 552      
972-992 4 Grand Prairie TX 8489 GLOBAL CROSSING LOCAL SERVICES, INC. - TX 552      
972-992 9 Grand Prairie TX 8489 GLOBAL CROSSING LOCAL SERVICES, INC. - TX 552      
972-999 A Irving TX 8489 GLOBAL CROSSING LOCAL SERVICES, INC. - TX 552      
972-999 0 Irving TX 8489 GLOBAL CROSSING LOCAL SERVICES, INC. - TX 552      
972-999 4 Irving TX 8489 GLOBAL CROSSING LOCAL SERVICES, INC. - TX 552      
972-999 8 Irving TX 8489 GLOBAL CROSSING LOCAL SERVICES, INC. - TX 552      
972-999 9 Irving TX 8489 GLOBAL CROSSING LOCAL SERVICES, INC. - TX 552      

<< 1 2 3

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.