Browse the Michigan Phone Directory

Where Michigan Phone Numbers Live

There is no single Michigan switchboard. State workers sit in one system, county offices in another, and every city runs its own contact page. Schools have a statewide database of their own. Utilities keep outage crews and billing clerks on separate lines on purpose. Sorting out which pile a number belongs to is most of the job, and it saves the phone tag that comes from calling the wrong level of government first.

The closest thing to a statewide operator is the State of Michigan Contact Directory. It searches state employees by last name and first name, and it takes partial names if you add an asterisk. Results stop at 20 names, so a common last name needs a first name with it. Legislative staff are not in there at all. Those contacts sit with the Legislative Service Bureau instead.

The State of Michigan Contact Directory is the first stop for any state office lookup.

It covers state payroll only, so a city clerk or a county treasurer will never turn up in the results.

1. For a state employee, search the State of Michigan Contact Directory by last name, then check the department's own contact page if nothing comes back.
2. For a city service, dial 311 if you live in Grand Rapids or Lansing. Everywhere else, call city hall or the city clerk.
3. For a county matter such as a deed, a marriage license, or a tax bill, go to that county's website. No state office holds those numbers.
4. For a school, a principal, or a district office, search the state's Educational Entity Master rather than hunting through district sites.
5. For a human services need when you do not know who handles it, dial 211 and let a navigator route the call.

Michigan Area Codes on the Map

Michigan runs on thirteen area codes. Three of them are original 1947 assignments: 313 for Detroit, 517 for the center of the state, and 616 for the west side and the Upper Peninsula. Everything else grew out of those three as phone lines multiplied. The old shape still shows through the map, which is why 616 numbers cluster around Grand Rapids and 313 numbers still say Detroit to most people who see one.

Two of the thirteen are overlays rather than regions. An overlay sits on top of an existing code and shares the same ground. Michigan has 947 layered over Oakland County's 248, and 679 layered over Detroit's 313. The rest are geographic, carved out by splits over the past sixty years.

Ten digits is the safe habit statewide. Both overlay regions require it, and the switch to the 988 crisis line pushed other parts of Michigan the same way. The Michigan area codes page walks through each code, its history, and the towns it covers.

Public Safety Numbers Across Michigan

Emergency dialing starts with sorting the call. Dial 911 when someone is in danger right now, when there is a fire, or when a wire is down. Call or text 988 for a suicide or mental health crisis that does not need police. Dial 211 for food, rent help, heat bills, and other community services. Dial 311 only in Grand Rapids and Lansing, since those are the two Michigan cities that run it.

The Michigan State Police tell callers to use 911 for anything urgent and the nearest MSP post for local police help. Regional teams post their own tip lines, including BAYANET at 989-790-6581, CMET at 800-342-0406, COMET at 586-790-3990, and FANG at 810-233-3689. The Sex Offender Registry Unit answers at 517-241-1806 on weekdays from 8 a.m. to 5 p.m. Crime Stoppers of Michigan takes anonymous tips at 1-800-SPEAK-UP, with an administrative line at 313-922-5000. For domestic violence the national hotline is 800-799-7233, and RAINN handles sexual assault calls at 800-656-4673.

Michigan Government Phone Directory

State government is the largest phone network in Michigan, and most of its front doors are published. The Department of State keeps a bureau by bureau directory with named directors, mailing addresses, and hours. Offices that do not print a direct line route callers through the Michigan.gov contact form instead, which is worth knowing before you spend an afternoon hunting for a number that was never public.

The Michigan Department of State directory lists the bureaus behind the counter at every Secretary of State branch.

Most of those bureau entries share the same Lansing address at 430 W. Allegan St. and the same weekday hours of 8 a.m. to 5 p.m.

Local government is a different animal. Michigan has no statewide city directory, and only two cities run a 311 line. Grand Rapids uses it for reporting problems, paying bills, parking tickets, water setup, road construction, and trash pickup. Lansing bills its own line as one call to city hall.

The Grand Rapids 311 page shows the range of what a city service line handles.

Everywhere else in Michigan, the equivalent is the city hall main number or the clerk's office. Ann Arbor answers at 734-794-6000 with a police front desk at 734-794-6920, and Farmington Hills city hall takes calls at 248-871-2400 on weekdays. When a department number was never posted, the fallback is a records request through the city FOIA coordinator, though personal cell numbers for staff stay redacted.

Finding a Michigan School Phone Number

Michigan handles school contacts better than most states. The Center for Educational Performance and Information runs the Educational Entity Master, an official directory of every educational entity in the state. District staff keep their own entries current, and the records carry administrator names, school addresses, phone numbers, and email addresses. It beats guessing at district websites one at a time.

The Educational Entity Master quick search narrows results by entity type before you ever type a name.

Two search fields do all the work:

MI School Data is the other statewide route, aimed at families rather than administrators. Its finder searches by school, building, city, county, or district, and it is the official source for pre-K through workforce data.

Use MI School Data when you know the town but not the district name. Large districts also publish their own tables. The Detroit Public Schools directory lists every school with its principal, address, and office phone, such as A.L. Holmes Academy of Blended Learning at 8950 Crane Street, 48213, on (313) 866-5644. For state level questions, the Michigan Department of Education answers at 833-633-5788 from 608 W. Allegan in Lansing, and CEPI support for the entity database is 517-335-0505, extension 3.

Note: school directories publish office lines only, so a teacher's personal mobile number will never appear in a public listing.

Michigan Utility and Outage Numbers

Utility calls go wrong when the emergency line and the billing line get mixed up. Gas odor and downed wires come first: get clear of the area, call 911, then call the utility. Billing disputes start with customer service. Only after the company fails to fix a problem does the Public Service Commission step in, and even then it forwards the complaint to the company for up to ten business days before reviewing the answer.

DTE keeps its gas leak line separate from everything else, and that line cannot help with any other topic.

The DTE contact page sorts its tiles by urgency so the emergency number is not buried under account links. Consumers Energy takes the opposite approach and uses one number for both gas leaks and downed wires after you have called 911.

Consumers Energy also publishes 711 relay access for deaf and hard of hearing customers. Before any digging job, big or small, the call is MISS DIG 811.

MISS DIG 811 is the only utility safety notification system in Michigan, and it asks for at least three business days of notice before you break ground. Water, sewer, and trash are city or township services, so those numbers come from 311 in Grand Rapids and Lansing and from the public works department everywhere else.

Michigan Health and Human Services Lines

Michigan runs public health at the county and district level. MDHHS works with 45 local health departments, and each one handles immunizations, communicable disease, restaurant inspections, wells and septic, and clinic services for its own area. The MDHHS county dropdown routes you to the right one, and the Michigan Association for Local Public Health keeps a parallel directory with main phone numbers, such as Barry-Eaton at 517-543-2430 and Bay County at 989-895-4009.

Benefits are a separate track. Medicaid, food assistance, cash assistance, and child care subsidy run through MDHHS county offices and MI Bridges, and the numbers change by county and by program. Crisis mental health starts at 988 statewide, then moves to county community mental health teams for ongoing care. Substance use treatment referrals go through SAMHSA at 1-800-662-4357 or through 211 for local options. Birth, death, marriage, and divorce certificates come from the state vital records office at 517-335-8666, while county clerks issue copies of local events.

University of Michigan Health publishes the deepest hospital directory in the state, with department level numbers such as the Cancer AnswerLine at 800-865-1125, spiritual support at 734-936-4041, and Child and Family Life at 734-936-6519.

What Michigan Counties Handle

A large share of Michigan phone searches end at a county desk. Deeds and land records belong to the register of deeds. Property tax payments and delinquent taxes belong to the county treasurer. Birth and death records for local events, marriage licenses, business name filings, and election administration belong to the county clerk. Jail information, road patrol, civil process, and non-emergency dispatch belong to the sheriff. District, circuit, and probate courts each keep their own clerk lines, and Friend of the Court is organized by circuit.

With 83 counties, there is no shortcut number that reaches all of them. The state directory will not return county employees, and 311 is not a county service anywhere in Michigan. What the state does provide is maps and routing: the MDHHS health department finder, the courts self-help pages, and the 211 network for anything social services related. For the county itself, the department page on its own website is the source.

Note: county sites usually file these numbers under Departments or Directory, so start there instead of searching the county name on its own.

Putting a Name to a Michigan Number

An unfamiliar 313 or 616 number does not have to stay a mystery. Official records show what an area code and prefix were first assigned to. Complaint databases show whether a number has been reported. Third-party tools stack possible names and spam scores on top of that. The full workflow, from saving the voicemail to filing the complaint, sits on the Michigan phone numbers page.

Treat every answer as a clue, not proof. Numbers move between carriers, and a 313 line may now be a mobile phone in another state. If a caller claims to be a Michigan agency, hang up and dial the number published on the agency site instead of the one on your screen.

Scam Calls Reported in Michigan

Scam callers copy the local codes so the phone looks like a neighbor. The scripts repeat across the state. A caller claims DTE or Consumers will shut off service today unless you pay right now. A fake collection letter mimics Michigan Treasury and pushes you toward a number that is not the Treasury. Someone poses as the Attorney General's own consumer protection office. Scammers have also posed as the Michigan State Police and the Sex Offender Registry, calling registrants and employers to demand payment or personal details. Jury duty warrants, grandparent emergencies, and AI voice clones round out the list, and the Attorney General renewed its deepfake warnings in 2026.

Reporting takes a few minutes. Register and complain at donotcall.gov or by phone at 1-888-382-1222. The FCC Consumer Complaint Center handles spoofing and unwanted calls, and its help line is 1-888-225-5322. The Michigan Attorney General takes consumer complaints at 517-335-7599 or 877-765-8388 in state, with a separate form for robocalls. If the problem is your own phone or cable provider, the Public Service Commission is the right office. One rule covers all of it: verify by calling the number printed on your bill, never the number that called you.

Michigan 2-1-1 and Other Help Lines

Michigan 2-1-1 is the best fallback when you know what you need but not who provides it. Dialing 211 reaches a navigator who can search food pantries, rent and utility help, health care, transportation, job training, and disaster relief. You can also search MI211.org, chat online, or text your ZIP code to 898-211. Regional centers publish backup numbers for places where the three-digit code does not connect, including 888-636-4211 in northeast Michigan and 866-561-2500 in central Michigan.

The Michigan 2-1-1 page from the state's United Way association lays out all four ways to reach the network.

It finds services, not people, and that is exactly what makes it useful when the need is help rather than a specific name. Legal questions have their own network. The State Bar lawyer referral service answers at 800-968-0738 during weekday business hours, with a $25 administrative fee and a consultation of up to 25 minutes. Legal Services of Eastern Michigan takes eligibility calls at 1-800-322-4512, and Lakeshore Legal Aid runs a statewide civil intake line at 888-783-8190. Travel questions go to Pure Michigan at 888-784-7328.

How a Michigan Number Is Built

Every Michigan number follows the same pattern: a three-digit area code, a three-digit exchange prefix, and a four-digit line number. Dial all ten and you will never hit a wall anywhere in the state. The deeper reference on N11 codes, star codes, and toll-free prefixes lives on the Michigan phone codes page.

NPA

Numbering Plan Area, which is the three-digit area code at the front of the number.

NXX

The central office or exchange code, meaning the three digits after the area code.

Overlay

A second area code laid over the same ground, which forces ten-digit dialing there.

Rate Center

The billing area a prefix belongs to, which does not always match city limits.

Michigan Phone Service Over the Years

Michigan's numbering story opens in 1947 with three codes. Detroit and the southeast took 313. The middle of the state took 517. The west side and the whole Upper Peninsula shared 616. Michigan Bell strung most of the wire in that era, passing through Ameritech and SBC before becoming AT&T Michigan, while small rural companies served the towns in between. The first change came in 1961, when the Upper Peninsula pulled out of 616 and became 906.

The 1990s and early 2000s broke the old map apart. Flint, Port Huron, and the Thumb left 313 for 810 in 1993. Oakland County left 810 for 248 in 1997, and Ann Arbor, Monroe, and western Wayne left 313 for 734 the same year. Northwest Lower Michigan became 231 in 1999. Macomb County became 586 and the Saginaw to Alpena region became 989, both in 2001. Southwest Michigan became 269 in 2002, the same year 947 arrived as an overlay on Oakland County. That was Michigan's first overlay, and it set the pattern the state would use again more than twenty years later.

Michigan Phone Changes in 2025

Detroit's 313 got relief in 2025, and the Public Service Commission handled it as an overlay rather than a split. That choice matters locally, because 313 carries real civic weight in Detroit and nobody had to give theirs up. Ten-digit dialing became mandatory in the 313 footprint on October 7, 2025, after a permissive period that started in April. New 679 numbers could be handed out starting November 7, 2025, but only once 313 numbers run out, and the commission projected that for the first quarter of 2028. Equipment that dials on its own, such as alarm panels, medical alert devices, and auto-dialers, had to be reprogrammed for ten digits before the cutover.

Frequently Asked Questions

Do I have to dial ten digits everywhere in Michigan?

Not in every corner of the state, but it is the habit worth keeping. The 248 and 947 region has required it since the overlay went in. The 313 and 679 region has required it since October 7, 2025. Parts of Michigan that had 988 as a local exchange prefix moved to ten digits when the crisis line launched. Dialing all ten always works, so there is no reason to test which rule applies where you are standing.

How do I find a Michigan state employee's number?

Search the State of Michigan Contact Directory by last name, adding a first name if the last name is common. The tool returns a maximum of 20 names, so narrow it before you scroll. If the person does not appear, check the department's own contact page. Some offices publish a bureau line instead of individual numbers, and legislative staff are listed separately through the Legislative Service Bureau.

Does 311 work everywhere in Michigan?

No. Grand Rapids and Lansing are the Michigan cities that run a 311 line, and the code does nothing in most of the state. Elsewhere the equivalent is the city hall main number, the city clerk, or the public works department. For anything social services related, 211 is the statewide code and it does work from any Michigan phone.

What is the 679 area code?

It is the overlay added over Detroit's 313 territory in 2025. It covers the same ground, including Hamtramck, Highland Park, Dearborn, the Grosse Pointes, Redford Township, and Taylor. Existing 313 numbers did not change and will not change. New lines in that area can draw a 679 number once the remaining 313 supply runs out.

Who do I call about a phone or cable company problem?

Start with the provider. If that goes nowhere, file an informal complaint with the Michigan Public Service Commission at 800-292-9555 or 517-284-8100, or use its online form. The commission forwards the complaint to the company, which has up to ten business days to investigate and respond, then reviews that answer against the rules before writing back to you.

How do I cut down on robocalls?

Stack a few defenses. Put your number on the national registry at donotcall.gov. Turn on your carrier's screening app, whether that is Call Filter, Scam Shield, or ActiveArmor. Let unknown numbers go to voicemail. When a scam call gets through anyway, report it to the FTC, the FCC, or the Michigan Attorney General so there is a record behind any enforcement.