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: CRDLILXEXYX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
618-851 A Anna IL 624H ONVOY SPECTRUM, LLC 362      
730-243 A Paulton IL 624H ONVOY SPECTRUM, LLC 362   2024-06-27   
730-244 A Sesser IL 624H ONVOY SPECTRUM, LLC 362   2024-06-27   
730-245 A Stonefort IL 624H ONVOY SPECTRUM, LLC 362   2024-06-27   
730-246 A Cobden IL 624H ONVOY SPECTRUM, LLC 362   2024-06-27   
730-247 A Joppa IL 624H ONVOY SPECTRUM, LLC 362   2024-06-27   
730-248 A Zeigler IL 624H ONVOY SPECTRUM, LLC 362   2024-06-27   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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