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Phone Directory 443-400 Detail

State Major City Time Zone
Maryland Baltimore Eastern

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Example: (443) 400-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
443-400 Baltimore, MD Xo Maryland Baltimore City Landline 10/31/2000

Other Series For Prefixes

443-4000###
443-4001###
443-4002###
443-4003###
443-4004###
443-4005###
443-4006###
443-4007###
443-4008###
443-4009###