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: DVNPIAHQCM0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
309-269 A Rock Island IL 6664 SPRINT SPECTRUM L.P. 634      
309-428 A Rock Island IL 6664 SPRINT SPECTRUM L.P. 634      
309-502 A Geneseo IL 6664 SPRINT SPECTRUM L.P. 634      
309-721 A Rock Island IL 6664 SPRINT SPECTRUM L.P. 634      
319-601 A Burlington IA 6664 SPRINT SPECTRUM L.P. 634      
563-503 A Clinton IA 6664 SPRINT SPECTRUM L.P. 634      
563-505 A Davenport IA 6664 SPRINT SPECTRUM L.P. 634      
563-554 A Muscatine IA 6664 SPRINT SPECTRUM L.P. 634      
563-564 A Dubuque IA 6664 SPRINT SPECTRUM L.P. 634      
563-650 A Davenport IA 6664 SPRINT SPECTRUM L.P. 634      
563-676 A Davenport IA 6664 SPRINT SPECTRUM L.P. 634      

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

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