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Phone Directory 301-621 Detail

State Major City Time Zone
Maryland Baltimore Eastern

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Example: (301) 621-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
301-621 Glenn Dale, MD Verizon Maryland Prince Georges Landline 02/04/1994

Other Series For Prefixes

301-6210###
301-6211###
301-6212###
301-6213###
301-6214###
301-6215###
301-6216###
301-6217###
301-6218###
301-6219###