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Phone Directory 301-228 Detail

State Major City Time Zone
Maryland Baltimore Eastern

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
301-228 Frederick, MD Verizon Maryland Frederick Landline 07/06/1997

Other Series For Prefixes

301-2280###
301-2281###
301-2282###
301-2283###
301-2284###
301-2285###
301-2286###
301-2287###
301-2288###
301-2289###