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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/AVOCA

Avoca ZIP code, Michigan

The ZIP code for Avoca, MI is 48006, and its area code is 810.

USPS city name
1 ZIP code
Population
3,889
Area code
810

Avoca in numbers

About 3,889 people live in Avoca, in 1,528 households. The median household income is $71,385 a year, about the same as the Michigan median of $72,875 (US: $80,734). The median owner-occupied home is valued at $240,200 (4% above the Michigan median).

Population3,889Avoca3,889
Households1,528Avoca1,528
Median household income$71,385Avoca$71,385Michigan$72,875US $80,734
Median home value$240,200Avoca$240,200Michigan$231,600US $332,700

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

ZIP codes addressed as Avoca

ZIP codes with the USPS city name Avoca
ZIP City Type Population Median income Median home
48006 Avoca , MI Standard 3,889 $71,385 $240,200

Map of Avoca ZIP codes

48006

The ZIP codes of Avoca, 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 Avoca

The nearest larger towns are Port Huron (28,620 people, 14 mi), Marysville (9,925 people, 16 mi) and Richmond (5,855 people, 19 mi).

Towns near Avoca
TownPopulationDistance
Port Huron 28,620 14.4 mi
Marysville 9,925 16.1 mi
Richmond 5,855 19.1 mi
Imlay City 3,721 20.0 mi
St. Clair 5,585 20.4 mi
Almont 2,838 21.0 mi
Sandusky 2,694 24.4 mi
Romeo 3,578 24.9 mi
New Haven 6,475 25.0 mi
Marine City 4,028 27.2 mi
New Baltimore 12,072 27.6 mi

More nearby: every ZIP code in St. Clair County · Michigan ZIP codes

Cite this page

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

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