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: PTMOOHXAX0X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
220-240 A Chesapeake OH 464C ONVOY, LLC - OH 324      
220-240 0 Chesapeake OH 464C ONVOY, LLC - OH 324      
220-240 2 Chesapeake OH 464C ONVOY, LLC - OH 324      
220-240 3 Chesapeake OH 464C ONVOY, LLC - OH 324      
220-240 4 Chesapeake OH 464C ONVOY, LLC - OH 324      
220-699 3 Idaho OH 464C ONVOY, LLC - OH 324      
220-699 4 Idaho OH 464C ONVOY, LLC - OH 324      
740-351 8 Portsmouth OH 464C ONVOY, LLC - OH 324      

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

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