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Phone Directory 301-279 Detail

State Major City Time Zone
Maryland Baltimore Eastern

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Example: (301) 279-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
301-279 Rockville, MD Verizon Maryland Montgomery Landline 02/04/1994

Other Series For Prefixes

301-2790###
301-2791###
301-2792###
301-2793###
301-2794###
301-2795###
301-2796###
301-2797###
301-2798###
301-2799###