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Phone Directory 410-454 Detail

State Major City Time Zone
Maryland Baltimore Eastern

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
410-454 Baltimore, MD Mci Worldcom Communications Baltimore City Landline 10/11/1997

Other Series For Prefixes

410-4540###
410-4541###
410-4542###
410-4543###
410-4544###
410-4545###
410-4546###
410-4547###
410-4548###
410-4549###