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Phone Directory 301-987 Detail

State Major City Time Zone
Maryland Baltimore Eastern

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
301-987 Gaithersburg, MD Verizon Maryland Montgomery Landline 10/11/1997

Other Series For Prefixes

301-9870###
301-9871###
301-9872###
301-9873###
301-9874###
301-9875###
301-9876###
301-9877###
301-9878###
301-9879###