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Phone Directory 240-478 Detail

State Major City Time Zone
Maryland Baltimore Eastern

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
240-478 Cabin John, MD New Cingular Wireless PCS - DC Montgomery Cell Number 07/27/2004

Other Series For Prefixes

240-4780###
240-4781###
240-4782###
240-4783###
240-4784###
240-4785###
240-4786###
240-4787###
240-4788###
240-4789###