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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/ID/WINCHESTER

Winchester ZIP code, Idaho

The ZIP code for Winchester, ID is 83555, and its area codes are 208 and 986.

USPS city name
1 ZIP code
Population
302
Area codes
208, 986
State
Idaho

NANPA lists no telephone rate centre for Winchester itself, so these are the area codes of the nearest one, Lewiston (15.7 miles). A town on an area-code boundary can differ from its neighbour.

Winchester in numbers

About 302 people live in Winchester, in 119 households. The median household income is $45,208 a year, 42% below the Idaho median of $77,800 (US: $80,734). The median owner-occupied home is valued at $225,000 (46% below the Idaho median), and median gross rent is $817 a month. The median age is 54.7; 17.6% of adults 25 and over hold a bachelor's degree or higher (31.8% across Idaho); the average commute takes 23 minutes.

Population302Winchester302
Households119Winchester119
Median age54.7Winchester54.7Idaho37.3US 38.9
Median household income$45,208Winchester$45,208Idaho$77,800US $80,734
Median home value$225,000Winchester$225,000Idaho$418,600US $332,700
Median gross rent$817Winchester$817Idaho$1,238US $1,413
Bachelor's degree or higher17.6%Winchester17.6%Idaho31.8%US 35.7%
Mean commute23.0 minWinchester23.0 minIdaho21.6 minUS 26.4 min
Population density1,716 / sq miWinchester1,716 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Winchester city. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Winchester

ZIP codes with the USPS city name Winchester
ZIP City Type Population Median income Median home
83555 Winchester , ID Standard 493 $56,250 $268,100

Map of Winchester ZIP codes

83555

The ZIP codes of Winchester, ID, 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 Winchester

The nearest larger towns are Craigmont (509 people, 7.3 mi), Culdesac (411 people, 9.5 mi) and Lapwai (1,021 people, 14 mi).

Towns near Winchester
TownPopulationDistance
Lewiston 34,651 20.5 mi
Clarkston, WA 7,191 23.6 mi
West Clarkston-Highland, WA 5,444 23.8 mi
Clarkston Heights-Vineland, WA 7,884 24.2 mi
Orofino 3,260 24.4 mi

More nearby: every ZIP code in Nez Perce County · Idaho ZIP codes

Cite this page

zipcodes.pro. “Winchester, ID ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/id/winchester

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