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 — CITY/IL/BUFFALO-PRAIRIE

Buffalo Prairie ZIP code, Illinois

The ZIP code for Buffalo Prairie, IL is 61237, and its area code is 309.

USPS city name
1 ZIP code
Overlapping the city
1 more
Population
9
Area code
309

NANPA lists no telephone rate centre for Buffalo Prairie itself, so these are the area codes of the nearest one, Illinois City (4.4 miles). A town on an area-code boundary can differ from its neighbour.

Mail addressed to Buffalo Prairie uses the ZIP code above. 1 more ZIP code covers part of the city but is addressed as somewhere else; they are listed separately below.

ZIP codes addressed as Buffalo Prairie

ZIP codes with the USPS city name Buffalo Prairie
ZIP City Type Population Median income Median home
61237 Buffalo Prairie , IL Standard 0 — —

Other ZIP codes overlapping Buffalo Prairie

These ZIP codes cover part of Buffalo Prairie but are addressed as somewhere else.

ZIP codes overlapping Buffalo Prairie
ZIP City Type Population Median income Median home
61279 Reynolds , IL Standard 1,015 $87,656 $161,500

Map of Buffalo Prairie ZIP codes

61237

The ZIP codes of Buffalo Prairie, IL, 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 Buffalo Prairie

The nearest larger towns are Illinois City (73 people, 4.8 mi), Edgington (390 people, 5.4 mi) and Millersburg (33 people, 7.1 mi).

Towns near Buffalo Prairie
TownPopulationDistance
Aledo 3,668 11.2 mi
Muscatine, IA 23,489 12.6 mi
Milan 5,034 16.2 mi
Rock Island 36,151 16.3 mi
Wilton, IA 2,920 19.5 mi
Davenport, IA 100,913 19.6 mi
Moline 42,197 20.8 mi
Coal Valley 4,229 22.2 mi
Bettendorf, IA 39,647 24.8 mi
Eldridge, IA 6,818 24.8 mi
Silvis 7,955 25.2 mi
West Liberty, IA 3,776 26.8 mi
East Moline 20,904 26.9 mi
Colona 5,139 28.3 mi

More nearby: every ZIP code in Rock Island County · Illinois ZIP codes

Cite this page

zipcodes.pro. “Buffalo Prairie, IL ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/il/buffalo-prairie

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