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Phone Directory 301-856 Detail

State Major City Time Zone
Maryland Baltimore Eastern

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
301-856 Clinton, MD Verizon Maryland Prince Georges Landline 02/04/1994

Other Series For Prefixes

301-8560###
301-8561###
301-8562###
301-8563###
301-8564###
301-8565###
301-8566###
301-8567###
301-8568###
301-8569###