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Phone Directory 301-392 Detail

State Major City Time Zone
Maryland Baltimore Eastern

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Example: (301) 392-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
301-392 La Plata, MD Verizon Maryland Charles Landline 07/06/1997

Other Series For Prefixes

301-3920###
301-3921###
301-3922###
301-3923###
301-3924###
301-3925###
301-3926###
301-3927###
301-3928###
301-3929###