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: 972 [Rate centres in NPA 972] [Dial plan for NPA 972]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
972-750 A Terrell TX DLLSTXTLDS6  7421 AT&T LOCAL 552      
972-750 0 Terrell TX   6529 T-MOBILE USA, INC. 552   2010-06-23   
972-750 1 Terrell TX   6529 T-MOBILE USA, INC. 552   2010-11-26   
972-750 2 Terrell TX   6529 T-MOBILE USA, INC. 552   2010-11-26   
972-750 3 Terrell TX   903C ONVOY, LLC - TX 552   2012-12-16   
972-750 4 Terrell TX   903C ONVOY, LLC - TX 552   2012-12-16   
972-750 5 Terrell TX   7421 AT&T LOCAL 552   2006-09-14   
972-750 6 Terrell TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552   2012-12-21   
972-750 7 Terrell TX   5562 METRO PCS, INC. 552   2017-01-23   
972-750 8 Terrell TX   6664 SPRINT SPECTRUM L.P. 552   2011-04-25   
972-750 9 Terrell TX   6529 T-MOBILE USA, INC. 552   2010-06-23   

Last updated: Tue, 31 Dec 2019 02:37:20 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.