Michigan's Detroit metro remains America's automotive capital, while Grand Rapids drives healthcare and manufacturing, and Ann Arbor anchors the University of Michigan's research economy.
Michigan's 12 area codes span the Lower Peninsula's industrial and academic hubs — Detroit's 313, Oakland County's 248/947, Macomb's 586, Ann Arbor's 734/679, Lansing's 517, Grand Rapids' 616, and Northwest Michigan's 231 — plus the Upper Peninsula's 906 — in the Eastern Time zone.
Michigan's Detroit metro remains America's automotive capital, while Grand Rapids drives healthcare and manufacturing, and Ann Arbor anchors the University of Michigan's research economy. Detroit's 313 code anchors the global center of automotive manufacturing, while Ann Arbor's 734 serves one of America's top research universities and a thriving tech spinout community. Michigan's 12 area codes cover the Great Lakes auto, manufacturing, and healthcare corridor.
From Detroit to Warren instant number activation across every Michigan market.
Every feature Michigan's automotive and research economy depends on. No bundles.
Detroit OEM suppliers, Ann Arbor researchers, and Grand Rapids manufacturers all expect a local Michigan code — field 313, 734, and 616 calls from any device.
Route Detroit Tier 1 automotive procurement to engineering queues, UM research partnership enquiries to business development, and West Michigan industrial calls to field reps.
Auto-industry production cycles, NAIAS events, and UAW negotiation periods all shift Michigan call volume — dashboards correlate inbound peaks with the automotive calendar.
Four steps to a live Michigan number. No hardware, no contracts.
Choose from 313, 734 or 616 to reach Detroit's automotive community, Ann Arbor's university, or Grand Rapids' manufacturing corridor.
Plans for Tier 1 OEM vendors or UM research teams alike — month-to-month, all 14 features included from day one.
Set Eastern Time routing and configure shift-hour rules for the automotive industry's demanding schedule — live in seconds.
Michigan clients see a local code — voicemail transcripts, call recording, and analytics active from the first ring.
Pick a region, then select any state to see every active area code with city coverage, time zones, and a number-picker shortcut.
Everything you need to know about Michiganarea codes and virtual phone numbers. Can't find an answer? Our team is one click away.
Yes. Anyone in the US — or internationally — can dial your 231 number just like a regular phone. The local Michigan area code builds trust with local callers while the number works globally.
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