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Phone Directory 301-383 Detail

State Major City Time Zone
Maryland Baltimore Eastern

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Example: (301) 383-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
301-383 Glenn Dale, MD Comcast Phone Of Northern Maryland Prince Georges Landline 10/11/1997

Other Series For Prefixes

301-3830###
301-3831###
301-3832###
301-3833###
301-3834###
301-3835###
301-3836###
301-3837###
301-3838###
301-3839###