Michigan area codes
Michigan has 13 area codes, all on UTC−5 standard time. Each card shows the main cities; open one for its overlays, history and a free lookup.
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Michigan area code questions
How many area codes does Michigan have?
Michigan has 13 area codes in service: 231, 248, 269, 313, 517, 586, 616, 679, 734, 810, 906, 947 and 989.
What was the original Michigan area code?
313, 517 and 616 were among the original area codes created in 1947.
What is the newest area code in Michigan?
679, in service since November 7, 2025 as an overlay on 313.
What time zones are Michigan area codes in?
Eastern and Central — the region spans more than one zone, so check the code.
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All North American area codes · International country codes
Sources: NANPA NPA database (11/04/2026) and Google libphonenumber. Area codes show where a number was assigned, not where its owner is today.