Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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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      
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 2 Altha FL PTSJFLXAX0X  793K TWC IP ENABLED SERVICES, LLC 45010   2025-06-10   
850-451 3 Altha FL   6502 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL 45010   2025-03-22   
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   
850-451 7 Altha FL LYHNFLAWBMD  6502 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL 45010   2022-02-14   
850-451 8 Altha FL LYHNFLAWBMD  6502 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL 45010   2023-02-06   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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