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Phone Directory 313-931 Detail

State Major City Time Zone
Michigan Detroit Eastern

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Example: (313) 931-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
313-931 Detroit, MI Ameritech Michigan Wayne Landline 02/04/1994

Other Series For Prefixes

313-9310###
313-9311###
313-9312###
313-9313###
313-9314###
313-9315###
313-9316###
313-9317###
313-9318###
313-9319###