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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/FOSTER-CITY

Foster City ZIP code, Michigan

The ZIP code for Foster City, MI is 49834, and its area code is 906.

USPS city name
1 ZIP code
Population
535
Area code
906

NANPA lists no telephone rate centre for Foster City itself, so these are the area codes of the nearest one, Felch (6.1 miles). A town on an area-code boundary can differ from its neighbour.

Foster City in numbers

About 535 people live in Foster City, in 214 households. The median household income is $65,000 a year, 11% below the Michigan median of $72,875 (US: $80,734). The median owner-occupied home is valued at $119,100 (49% below the Michigan median).

Population535Foster City535
Households214Foster City214
Median household income$65,000Foster City$65,000Michigan$72,875US $80,734
Median home value$119,100Foster City$119,100Michigan$231,600US $332,700

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

ZIP codes addressed as Foster City

ZIP codes with the USPS city name Foster City
ZIP City Type Population Median income Median home
49834 Foster City , MI Standard 535 $65,000 $119,100

Map of Foster City ZIP codes

49834

The ZIP codes of Foster City, 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 Foster City

The nearest larger towns are Norway (2,833 people, 15 mi), Quinnesec (892 people, 18 mi) and Hermansville (666 people, 19 mi).

Towns near Foster City
TownPopulationDistance
Norway 2,833 15.5 mi
Iron Mountain 7,518 19.7 mi
Kingsford 5,124 22.1 mi
K. I. Sawyer 2,817 29.7 mi

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

Cite this page

zipcodes.pro. “Foster City, MI ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/mi/foster-city

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