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/NJ/SKILLMAN

Skillman ZIP code, New Jersey

The ZIP code for Skillman, NJ is 08558.

USPS city name
1 ZIP code
Population
345

Skillman in numbers

About 345 people live in Skillman, in 143 households. The median owner-occupied home is valued at $634,300 (40% above the New Jersey median). The median age is 53.4; 57.9% of adults 25 and over hold a bachelor's degree or higher (43.6% across New Jersey); the average commute takes 34 minutes.

Population345Skillman345
Households143Skillman143
Median age53.4Skillman53.4New Jersey40.1US 38.9
Median home value$634,300Skillman$634,300New Jersey$454,400US $332,700
Bachelor's degree or higher57.9%Skillman57.9%New Jersey43.6%US 35.7%
Mean commute34.1 minSkillman34.1 minNew Jersey30.5 minUS 26.4 min
Population density235 / sq miSkillman235 / sq mi

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

ZIP codes addressed as Skillman

ZIP codes with the USPS city name Skillman
ZIP City Type Population Median income Median home
08558 Skillman , NJ Standard 7,648 $236,016 $910,200

Map of Skillman ZIP codes

08558

The ZIP codes of Skillman, NJ, 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 Skillman

The nearest larger towns are Harlingen (593 people, 3.4 mi), Hopewell (1,823 people, 3.8 mi) and Belle Mead (6,394 people, 4.0 mi).

Towns near Skillman
TownPopulationDistance
Belle Mead 6,394 4.0 mi
Princeton 30,756 5.4 mi
Hillsborough 22,585 6.3 mi
Blackwells Mills 10,301 7.0 mi
Neshanic Station 5,640 7.0 mi
Heathcote 7,717 7.5 mi
Kendall Park 10,011 7.9 mi
Pennington 2,827 8.2 mi
Lawrenceville 3,924 8.8 mi
Monmouth Junction 9,141 8.9 mi
Franklin Park 13,211 9.0 mi
Plainsboro Center 2,773 9.2 mi
Flemington 4,896 9.5 mi
Six Mile Run 2,882 9.8 mi

More nearby: every ZIP code in Somerset County · New Jersey ZIP codes

Cite this page

zipcodes.pro. “Skillman, NJ ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/nj/skillman

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