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Phone Directory 301-691 Detail

State Major City Time Zone
Maryland Baltimore Eastern

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
301-691 Poolesville, MD Teleport Communications America - DC Montgomery Landline 08/14/1998

Other Series For Prefixes

301-6910###
301-6911###
301-6912###
301-6913###
301-6914###
301-6915###
301-6916###
301-6917###
301-6918###
301-6919###