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Phone Directory 301-900 Detail

State Major City Time Zone
Maryland Baltimore Eastern

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Example: (301) 900-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
301-900 Frederick, MD Verizon Maryland Frederick Landline 10/22/2013

Other Series For Prefixes

301-9000###
301-9001###
301-9002###
301-9003###
301-9004###
301-9005###
301-9006###
301-9007###
301-9008###
301-9009###