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Phone Directory 410-399 Detail

State Major City Time Zone
Maryland Baltimore Eastern

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
410-399 Bel Air, MD Verizon Maryland Harford Landline 02/04/1994

Other Series For Prefixes

410-3990###
410-3991###
410-3992###
410-3993###
410-3994###
410-3995###
410-3996###
410-3997###
410-3998###
410-3999###