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Phone Directory 301-438 Detail

State Major City Time Zone
Maryland Baltimore Eastern

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
301-438 Rockville, MD Verizon Maryland Montgomery Landline 02/04/1994

Other Series For Prefixes

301-4380###
301-4381###
301-4382###
301-4383###
301-4384###
301-4385###
301-4386###
301-4387###
301-4388###
301-4389###