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: FRSNCAQRAMD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
559-997 9 Lemoore CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 728   2012-09-20   
559-998 9 Lemoore CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 728   2013-07-09   
559-999 A Fresno CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 728      

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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