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Phone Directory 301-947 Detail

State Major City Time Zone
Maryland Baltimore Eastern

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
301-947 Gaithersburg, MD Verizon Maryland Montgomery Landline 04/15/1996

Other Series For Prefixes

301-9470###
301-9471###
301-9472###
301-9473###
301-9474###
301-9475###
301-9476###
301-9477###
301-9478###
301-9479###