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Phone Directory 301-977 Detail

State Major City Time Zone
Maryland Baltimore Eastern

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Example: (301) 977-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
301-977 Gaithersburg, MD Verizon Maryland Montgomery Landline 02/04/1994

Other Series For Prefixes

301-9770###
301-9771###
301-9772###
301-9773###
301-9774###
301-9775###
301-9776###
301-9777###
301-9778###
301-9779###