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.
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Switch: JCVLILXC4MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
447-281 A Quincy IL 515J IP HORIZON LLC 376   2024-01-04   
447-281 1 Quincy IL 515J IP HORIZON LLC 376      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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