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Phone Directory 301-540 Detail

State Major City Time Zone
Maryland Baltimore Eastern

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Example: (301) 540-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
301-540 Gaithersburg, MD Verizon Maryland Montgomery Landline 02/04/1994

Other Series For Prefixes

301-5400###
301-5401###
301-5402###
301-5403###
301-5404###
301-5405###
301-5406###
301-5407###
301-5408###
301-5409###