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Phone Directory 443-503 Detail

State Major City Time Zone
Maryland Baltimore Eastern

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Example: (443) 503-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
443-503 Baltimore, MD Xo Maryland Baltimore City Landline 10/31/2000

Other Series For Prefixes

443-5030###
443-5031###
443-5032###
443-5033###
443-5034###
443-5035###
443-5036###
443-5037###
443-5038###
443-5039###