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Phone Directory 301-427 Detail

State Major City Time Zone
Maryland Baltimore Eastern

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Example: (301) 427-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
301-427 Silver Spring, MD Verizon Maryland Montgomery Landline 02/04/1994

Other Series For Prefixes

301-4270###
301-4271###
301-4272###
301-4273###
301-4274###
301-4275###
301-4276###
301-4277###
301-4278###
301-4279###