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/NY/WILLIAMSVILLE

Williamsville ZIP codes, New York

No ZIP code is named for Williamsville, NY; addresses there use a neighbouring town's name. 2 ZIP codes cover it: 14221 and 14225. Its area code is 716.

USPS city name
0 ZIP codes
Overlapping the city
2 more
Population
5,469
Area code
716

Williamsville in numbers

About 5,469 people live in Williamsville, in 2,759 households. The median household income is $98,850 a year, 15% above the New York median of $85,974 (US: $80,734). The median owner-occupied home is valued at $278,900 (34% below the New York median), and median gross rent is $1,404 a month. The median age is 49.2; 61.5% of adults 25 and over hold a bachelor's degree or higher (40.2% across New York); the average commute takes 15 minutes.

Population5,469Williamsville5,469
Households2,759Williamsville2,759
Median age49.2Williamsville49.2New York39.8US 38.9
Median household income$98,850Williamsville$98,850New York$85,974US $80,734
Median home value$278,900Williamsville$278,900New York$423,800US $332,700
Median gross rent$1,404Williamsville$1,404New York$1,621US $1,413
Bachelor's degree or higher61.5%Williamsville61.5%New York40.2%US 35.7%
Mean commute15.4 minWilliamsville15.4 minNew York32.6 minUS 26.4 min
Population density4,347 / sq miWilliamsville4,347 / sq mi

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

ZIP codes covering Williamsville

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

ZIP codes overlapping Williamsville
ZIP City Type Population Median income Median home
14221 Buffalo , NY Standard 55,255 $101,615 $329,600
14225 Buffalo , NY Standard 33,620 $67,237 $170,400

Map of Williamsville ZIP codes

1422114225

The ZIP codes of Williamsville, NY, 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 Williamsville

The nearest larger towns are Harris Hill (6,069 people, 3.2 mi), Cheektowaga (76,056 people, 3.4 mi) and Eggertsville (14,894 people, 3.5 mi).

Towns near Williamsville
TownPopulationDistance
Harris Hill 6,069 3.2 mi
Cheektowaga 76,056 3.4 mi
Eggertsville 14,894 3.5 mi
Depew 15,000 3.7 mi
University at Buffalo 7,020 3.7 mi
Sloan 3,751 5.3 mi
Lancaster 10,113 5.4 mi
Kenmore 15,044 6.7 mi
Tonawanda Town 56,806 7.1 mi
Clarence 2,673 7.4 mi
Buffalo 276,854 7.6 mi
Tonawanda 15,030 8.2 mi
West Seneca 45,303 8.3 mi
North Tonawanda 30,198 9.2 mi

More nearby: every ZIP code in Erie County · New York ZIP codes

Cite this page

zipcodes.pro. “Williamsville, NY ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ny/williamsville

Underlying data is public domain or openly licensed — sources, vintages and licences.