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Phone Directory 301-457 Detail

State Major City Time Zone
Maryland Baltimore Eastern

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
301-457 Silver Spring, MD Verizon Maryland Montgomery Landline 02/11/1995

Other Series For Prefixes

301-4570###
301-4571###
301-4572###
301-4573###
301-4574###
301-4575###
301-4576###
301-4577###
301-4578###
301-4579###