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Phone Directory 301-299 Detail

State Major City Time Zone
Maryland Baltimore Eastern

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
301-299 Bethesda, MD Verizon Maryland Montgomery Landline 02/04/1994

Other Series For Prefixes

301-2990###
301-2991###
301-2992###
301-2993###
301-2994###
301-2995###
301-2996###
301-2997###
301-2998###
301-2999###