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Phone Directory 410-730 Detail

State Major City Time Zone
Maryland Baltimore Eastern

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
410-730 Columbia, MD Verizon Maryland Howard Landline 02/04/1994

Other Series For Prefixes

410-7300###
410-7301###
410-7302###
410-7303###
410-7304###
410-7305###
410-7306###
410-7307###
410-7308###
410-7309###