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: CDRRIADT9MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
319-210 A Cedar Rapids IA 6664 SPRINT SPECTRUM L.P. 635      
319-431 A Cedar Rapids IA 6664 SPRINT SPECTRUM L.P. 635      
319-499 A Iowa City IA 6664 SPRINT SPECTRUM L.P. 635   2011-05-23   
319-594 A Iowa City IA 6664 SPRINT SPECTRUM L.P. 635      
319-621 A Iowa City IA 6664 SPRINT SPECTRUM L.P. 635      
319-651 A Cedar Rapids IA 6664 SPRINT SPECTRUM L.P. 635      

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

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