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.

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
520-227 A Sierra Vista AZ 6664 SPRINT SPECTRUM L.P. 668      
520-236 A Sierra Vista AZ 6664 SPRINT SPECTRUM L.P. 668      
520-249 A Sierra Vista AZ 6664 SPRINT SPECTRUM L.P. 668      
520-250 A Tucson AZ 6664 SPRINT SPECTRUM L.P. 668      
520-256 A Tucson AZ 6664 SPRINT SPECTRUM L.P. 668      
520-271 A Tucson AZ 6664 SPRINT SPECTRUM L.P. 668      
520-332 A Tucson AZ 6664 SPRINT SPECTRUM L.P. 668   2012-07-16   
520-365 A Tucson AZ 6664 SPRINT SPECTRUM L.P. 668   2012-06-22   
520-370 A Tucson AZ 6664 SPRINT SPECTRUM L.P. 668      
520-390 A Tucson AZ 6664 SPRINT SPECTRUM L.P. 668      
520-401 A Tucson AZ 6664 SPRINT SPECTRUM L.P. 668      
520-470 A Nogales AZ 6664 SPRINT SPECTRUM L.P. 668      
520-619 A Nogales AZ 6664 SPRINT SPECTRUM L.P. 668      
520-661 A Tucson AZ 6664 SPRINT SPECTRUM L.P. 668      
520-789 A Tucson AZ 6664 SPRINT SPECTRUM L.P. 668   2012-04-23   
520-839 A Nogales AZ 6664 SPRINT SPECTRUM L.P. 668      
520-861 A Tucson AZ 6664 SPRINT SPECTRUM L.P. 668      
520-869 A Tucson AZ 6664 SPRINT SPECTRUM L.P. 668      
520-870 A Tucson AZ 6664 SPRINT SPECTRUM L.P. 668      
520-971 A Tucson AZ 6664 SPRINT SPECTRUM L.P. 668      
520-977 A Tucson AZ 6664 SPRINT SPECTRUM L.P. 668      
520-979 A Tucson AZ 6664 SPRINT SPECTRUM L.P. 668      
520-981 A Tucson AZ 6664 SPRINT SPECTRUM L.P. 668      
520-982 A Tucson AZ 6664 SPRINT SPECTRUM L.P. 668      
520-990 A Tucson AZ 6664 SPRINT SPECTRUM L.P. 668      
520-991 A Tucson AZ 6664 SPRINT SPECTRUM L.P. 668      

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

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