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: HSTSTXGUCM0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
281-865 A Houston TX 6664 SPRINT SPECTRUM L.P. 560   2007-08-13   
281-995 A Houston TX 6664 SPRINT SPECTRUM L.P. 560   2007-08-24   
409-599 A Galveston TX 6664 SPRINT SPECTRUM L.P. 560      
409-939 A Galveston TX 6664 SPRINT SPECTRUM L.P. 560      
409-996 A Galveston TX 6664 SPRINT SPECTRUM L.P. 560      
832-216 A Houston TX 6664 SPRINT SPECTRUM L.P. 560      
832-257 A Spring EMS TX 6664 SPRINT SPECTRUM L.P. 560      
832-259 A Houston TX 6664 SPRINT SPECTRUM L.P. 560      
832-332 A Houston TX 6664 SPRINT SPECTRUM L.P. 560      
832-362 A Houston TX 6664 SPRINT SPECTRUM L.P. 560      
832-385 A Dickinson TX 6664 SPRINT SPECTRUM L.P. 560      
832-407 A Houston TX 6664 SPRINT SPECTRUM L.P. 560      
832-414 A Baytown TX 6664 SPRINT SPECTRUM L.P. 560      
832-425 A Dickinson TX 6664 SPRINT SPECTRUM L.P. 560      
832-433 A Houston TX 6664 SPRINT SPECTRUM L.P. 560      
832-528 A Houston TX 6664 SPRINT SPECTRUM L.P. 560      
832-549 A Houston TX 6664 SPRINT SPECTRUM L.P. 560      
832-609 A Houston TX 6664 SPRINT SPECTRUM L.P. 560   2012-10-21   
832-706 A Houston TX 6664 SPRINT SPECTRUM L.P. 560      
832-718 A Houston TX 6664 SPRINT SPECTRUM L.P. 560   2012-08-30   
832-720 A Dickinson TX 6664 SPRINT SPECTRUM L.P. 560   2012-11-16   
832-760 A Houston TX 6664 SPRINT SPECTRUM L.P. 560   2012-12-15   
832-771 A Houston TX 6664 SPRINT SPECTRUM L.P. 560      
832-801 A Houston TX 6664 SPRINT SPECTRUM L.P. 560   2012-10-21   
832-969 A Houston TX 6664 SPRINT SPECTRUM L.P. 560      
936-223 A Livingston TX 6664 SPRINT SPECTRUM L.P. 560   2004-02-21   
936-250 A Nacogdoches TX 6664 SPRINT SPECTRUM L.P. 560      
936-371 A Nacogdoches TX 6664 SPRINT SPECTRUM L.P. 560      

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

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