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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NPA: 850 [Rate centres in NPA 850] [Dial plan for NPA 850]

NXX: 451

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
850-451 A Altha FL LYHNFLAWBMD  6502 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL 45010   2021-01-12   
850-451 0 Altha FL LYHNFLAWBMD  6502 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL 45010   2016-10-20   
850-451 1 Altha FL LYHNFLAWBMD  6502 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL 45010   2017-07-19   
850-451 5 Altha FL LYHNFLAWBMD  6502 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL 45010   2020-02-14   
850-451 6 Altha FL LYHNFLAWBMD  6502 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL 45010   2016-01-26   

Last updated: Sun, 07 Feb 2021 01:52:50 UTC

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