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: ENWDCO69CM1

<< 1 2

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
720-371 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
720-373 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
720-474 A Denver CO 6664 SPRINT SPECTRUM L.P. 656   2011-12-15   
720-581 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
720-612 A Denver CO 6664 SPRINT SPECTRUM L.P. 656   2011-09-05   
720-732 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
720-837 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
720-838 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
720-840 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
720-849 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
720-940 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
720-971 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
720-979 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
720-980 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
720-982 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
720-984 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
720-985 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
720-987 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
720-988 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      
720-989 A Denver CO 6664 SPRINT SPECTRUM L.P. 656      

<< 1 2

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.