Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — AREA-CODES/MI

Michigan area codes

Michigan has 13 area codes covering 10 areas. In 2 of them several codes overlay the same ground, so a number there can have any of them: 313, 679 and 734 around Detroit; 248 and 947 around Rochester. The newest, 679, came into service in 2025.

Area codes
13
Areas
10
Overlay areas
2
Time zone
Eastern and Central
Newest
679 (2025)

Somewhere in Michigan now? What area code am I in? answers from your location.

Every Michigan area code

Area codes in Michigan
CodeWhereOverlaysSince
231 Muskegon, Traverse City, Cadillac none 1999
248 Troy, Southfield, West Bloomfield 947 1997
269 Kalamazoo, Battle Creek, Niles none 2002
313 Detroit 679 1947
517 Lansing, Jackson, Holt none 1947
586 Warren, Roseville, Washington none 2001
616 Grand Rapids, Holland, Allendale none 1947
679 Detroit (as 313's overlay) 313 2025
734 Ann Arbor, Livonia, Romulus 679 1997
810 Flint, Southfield, Port Huron none 1993
906 Marquette, Sault Ste. Marie, Escanaba none 1961
947 Troy, Southfield, West Bloomfield 248 2002
989 Saginaw, Midland, Bay City none 2001

Michigan area codes by area

Codes that overlay one another share one area. The places listed have a telephone rate centre of their own in NANPA's records, largest first; each links to its ZIP codes.

313, 734, 679 — Detroit

679 covers the whole area; 313 and 734 each cover part of it (the table above says which).

32 places:

4 counties:

248, 947 — Rochester

248 (1997) was here first; 947 (2002) overlays it, so a number from anywhere in the area can have any of them.

17 places:

2 counties:

989 — Saginaw

127 places, the largest 36 here (all of them on 989):

8 counties:

517 — Lansing

71 places, the largest 36 here (all of them on 517):

8 counties:

231 — Muskegon

88 places, the largest 36 here (all of them on 231):

8 counties:

586 — Warren

11 places:

County:

269 — Kalamazoo

70 places, the largest 36 here (all of them on 269):

8 counties:

616 — Grand Rapids

32 places:

8 counties:

810 — Flint

46 places, the largest 36 here (all of them on 810):

7 counties:

906 — Marquette

76 places, the largest 36 here (all of them on 906):

8 counties:

Area codes of the largest cities in Michigan

Largest cities in Michigan and their area codes
CityArea codesPopulation
Detroit 313 638,530
Grand Rapids 616 198,535
Warren 586 137,928
Ann Arbor 734 122,036
Lansing 517 113,023
Livonia 734 93,851
Macomb † 586 92,629
Troy 248, 947 87,898
Westland † 734 83,633
Flint 810 80,175
Wyoming † 616 77,353
Rochester Hills † 248, 947 77,089
Southfield 248, 947, 810 76,236
Kalamazoo 269 73,076
Waterford † 947, 248 70,153
West Bloomfield 248, 947 67,218
Pontiac 248, 947 62,104
Royal Oak 248, 947 57,950
Kentwood † 616 54,296
Battle Creek 269 52,374
Portage † 269 49,259
Clarkston 947, 248 47,741
Roseville 586 47,123
East Lansing † 517 45,758
Saginaw 989 43,536
Midland 989 42,724
Muskegon 231 37,226
Holland 616 34,423
Bay City 989 32,320
White Lake † 947, 248 31,141
Jackson 517 31,058
Burton † 810 29,500
Forest Hills † 616 28,695
Port Huron 810 28,620
Allendale 616 26,679
Washington 586 26,437
Okemos † 517 26,396
Walker † 616 25,386
Holt 517 25,316
Auburn Hills † 248, 947 25,105

† NANPA lists no rate centre for the town itself; these are the codes of the nearest one. A town on an area-code boundary can differ from its neighbour.

Questions about Michigan area codes

How many area codes does Michigan have?

13: 231, 248, 269, 313, 517, 586, 616, 679, 734, 810, 906, 947 and 989. 5 of them are in overlay areas, where several codes share the same ground.

What is the newest area code in Michigan?

679, in service since 2025. It overlays 313.

What are the area codes of the largest cities in Michigan?

Detroit: 313. Grand Rapids: 616. Warren: 586. Ann Arbor: 734. Lansing: 517.

What time zone are Michigan area codes in?

Eastern and Central time.

Every US area code · Michigan ZIP codes

Source: NANPA NPA database and central office code assignments, 2026-10-10. Places are matched to NANPA's rate centres by name; see sources.

Cite this page

zipcodes.pro. “Michigan area codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/area-codes/mi

Underlying data is public domain or openly licensed — sources, vintages and licences.