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Phone Directory 301-584 Detail

State Major City Time Zone
Maryland Baltimore Eastern

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Example: (301) 584-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
301-584 Silver Spring, MD Baltimore-washington Telephone (bwt) Montgomery Landline 06/13/2000

Other Series For Prefixes

301-5840###
301-5841###
301-5842###
301-5843###
301-5844###
301-5845###
301-5846###
301-5847###
301-5848###
301-5849###