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/WILLIAMSTOWN

Williamstown ZIP code, New York

The ZIP code for Williamstown, NY is 13493, and its area code is 315.

USPS city name
1 ZIP code
Population
2,428
Area code
315

Williamstown in numbers

About 2,428 people live in Williamstown, in 831 households. The median household income is $63,125 a year, 27% below the New York median of $85,974 (US: $80,734). The median owner-occupied home is valued at $121,500 (71% below the New York median).

Population2,428Williamstown2,428
Households831Williamstown831
Median household income$63,125Williamstown$63,125New York$85,974US $80,734
Median home value$121,500Williamstown$121,500New York$423,800US $332,700

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

ZIP codes addressed as Williamstown

ZIP codes with the USPS city name Williamstown
ZIP City Type Population Median income Median home
13493 Williamstown , NY Standard 2,428 $63,125 $121,500

Map of Williamstown ZIP codes

The ZIP codes of Williamstown, 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 Williamstown

The nearest larger towns are Camden (2,695 people, 10 mi), Brewerton (4,330 people, 19 mi) and North Syracuse (6,693 people, 24 mi).

Towns near Williamstown
TownPopulationDistance
Camden 2,695 10.0 mi
Brewerton 4,330 18.6 mi
North Syracuse 6,693 23.7 mi
Lake Delta 3,202 23.8 mi
Rome 31,795 25.0 mi
Canastota 4,487 25.1 mi
Minoa 3,653 25.4 mi
Mattydale 5,971 26.1 mi
Radisson 6,676 26.6 mi
Chittenango 4,831 26.7 mi
Lyncourt 4,095 26.8 mi
East Syracuse 3,039 26.9 mi
Fulton 11,272 27.4 mi
Oneida 10,171 27.5 mi

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

Cite this page

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

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