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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 — CITY/MI/SOUTH-BRANCH

South Branch ZIP code, Michigan

The ZIP code for South Branch, MI is 48761, and its area code is 989.

USPS city name
1 ZIP code
Population
799
Area code
989

NANPA lists no telephone rate centre for South Branch itself, so these are the area codes of the nearest one, Long Lake (5.0 miles). A town on an area-code boundary can differ from its neighbour.

South Branch in numbers

About 799 people live in South Branch, in 448 households. The median household income is $47,188 a year, 35% below the Michigan median of $72,875 (US: $80,734). The median owner-occupied home is valued at $111,200 (52% below the Michigan median).

Population799South Branch799
Households448South Branch448
Median household income$47,188South Branch$47,188Michigan$72,875US $80,734
Median home value$111,200South Branch$111,200Michigan$231,600US $332,700

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the ZIP code addressed as South Branch. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as South Branch

ZIP codes with the USPS city name South Branch
ZIP City Type Population Median income Median home
48761 South Branch , MI Standard 799 $47,188 $111,200

Map of South Branch ZIP codes

48761

The ZIP codes of South Branch, MI, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near South Branch

The nearest larger towns are Mio (1,474 people, 16 mi), Sand Lake (1,348 people, 17 mi) and Skidway Lake (3,008 people, 23 mi).

Towns near South Branch
TownPopulationDistance
Skidway Lake 3,008 23.2 mi
East Tawas 2,675 25.2 mi
St. Helen 2,929 27.7 mi

More nearby: every ZIP code in Ogemaw County · Michigan ZIP codes

Cite this page

zipcodes.pro. “South Branch, MI ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/mi/south-branch

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