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Area codes: 231, 248, 269, 313, 517, 586, 616, 734

One phone system for the whole state.

Michigan remains the center of the American auto industry — the Detroit OEMs and a supplier base of thousands of tool shops, engineering firms, and logistics companies spread across the 313, 248, 586, and 734. But the state is broader than that: Grand Rapids anchors West Michigan's furniture, healthcare, and food-processing economy; Ann Arbor pairs a top research university with software and mobility startups; and up north, tourism and agriculture drive seasonal business from Traverse City to the Upper Peninsula. Supplier hotlines, dealer desks, clinic lines, and resort front desks all depend on the phone.

Michigan's recording law deserves a careful read. The state's eavesdropping statute looks like all-party consent at first glance, but Michigan courts have held that a participant in a conversation may record it — effectively one-party consent for calls you are on. The cautious business standard is still to disclose, and fvoip's automatic recording announcement does that on every call, which also covers you when calling into strict all-party states like Illinois next door. Recordings land in searchable cloud storage for quality review and dispute resolution.

Most Michigan businesses buy phone service from AT&T, Comcast Business, or Frontier, and multi-plant suppliers pay for parallel systems at every site. fvoip consolidates them: a Troy engineering office, a Warren plant, and a Grand Rapids branch share one account with extension dialing and one bill. Porting your established 313, 248, or 616 numbers is free and typically takes 3–10 business days. From a three-person Ferndale agency to a supplier coordinating programs across metro Detroit and West Michigan, most teams switch over in days.

  • Local Michigan numbersGet or port numbers in 313 (Detroit), 248, 947, 586, and 734 (the metro), 616 (Grand Rapids), 517 (Lansing), 269, 810, 989, 231, and 906 across the state.
  • Built for auto suppliersRing groups keep program and order desks answered, recording documents spec and delivery commitments, and extensions link plants to the front office.
  • Free porting from Michigan carriersWe move your numbers from AT&T Business, Comcast Business, or Frontier at no cost with a clean cutover.
  • Recording done carefullyMichigan's statute rewards caution — fvoip's automatic announcement discloses recording on every call, in-state and into strict neighbors like Illinois.
What MI businesses save
Typical 5-person office
Traditional carrierAT&T Business / Comcast Business
$195/mo
fvoip Essential5 users · unlimited US/Canada calling
$105/mo
You keep
$1,080/year

Michigan cities we cover in depth.

Local-number inventory, porting timelines, and industry notes for each metro.

Michigan questions, answered

Can I get local numbers across Michigan?
Yes. fvoip provides numbers throughout Michigan — 313 in Detroit, 248 and 947 in Oakland County, 586 in Macomb, 734 in Ann Arbor, 616 in Grand Rapids, 517 in Lansing, 269 in Kalamazoo, 810 in Flint, 989 in Saginaw, 231 up north, and 906 in the UP.
What is Michigan's call recording law?
Michigan's eavesdropping statute reads broadly, but state courts have held that a participant in a conversation may record it, making Michigan effectively one-party consent for your own calls. The safe practice is still disclosure, and fvoip's automatic announcement handles that on every recorded call.
Can I keep my current business number?
Yes. Porting from AT&T Business, Comcast Business, Frontier, or any other Michigan carrier is free. Local numbers typically transfer in 3–10 business days, and your existing service stays live until the port completes.
We have a metro Detroit office and a Grand Rapids location. Can both share a system?
Yes. Both sites join one fvoip account with extension dialing between them, per-site local numbers and auto-attendants, and centralized administration. Plants, sales offices, and remote engineers all live on the same system.
How does fvoip help automotive suppliers?
Program and order desks get ring groups so OEM and Tier 1 calls never ring out, call recording documents engineering changes and delivery commitments, and voicemail transcripts keep program managers current between meetings.

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