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Phone Directory 301-398 Detail

State Major City Time Zone
Maryland Baltimore Eastern

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
301-398 Rockville, MD Verizon Maryland Montgomery Landline 10/09/2003

Other Series For Prefixes

301-3980###
301-3981###
301-3982###
301-3983###
301-3984###
301-3985###
301-3986###
301-3987###
301-3988###
301-3989###