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Phone Directory 240-306 Detail

State Major City Time Zone
Maryland Baltimore Eastern

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Example: (240) 306-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
240-306 Gaithersburg, MD Allegiance Telecom Montgomery Landline 06/13/2000

Other Series For Prefixes

240-3060###
240-3061###
240-3062###
240-3063###
240-3064###
240-3065###
240-3066###
240-3067###
240-3068###
240-3069###