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Phone Directory 240-499 Detail

State Major City Time Zone
Maryland Baltimore Eastern

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
240-499 Cabin John, MD Us Lec Of Maryland Montgomery Landline 01/14/2000

Other Series For Prefixes

240-4990###
240-4991###
240-4992###
240-4993###
240-4994###
240-4995###
240-4996###
240-4997###
240-4998###
240-4999###