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/OLDWICK

Oldwick ZIP code, New Jersey

The ZIP code for Oldwick, NJ is 08858, and its area code is 908.

USPS city name
1 ZIP code
Overlapping the city
2 more
Population
462
Area code
908

Mail addressed to Oldwick uses the ZIP code above. 2 more ZIP codes cover part of the city but are addressed as somewhere else; they are listed separately below.

Oldwick in numbers

About 462 people live in Oldwick, in 254 households. The median owner-occupied home is valued at $824,400 (81% above the New Jersey median). The median age is 72.1; 49.8% of adults 25 and over hold a bachelor's degree or higher (43.6% across New Jersey); the average commute takes 35 minutes.

Population462Oldwick462
Households254Oldwick254
Median age72.1Oldwick72.1New Jersey40.1US 38.9
Median home value$824,400Oldwick$824,400New Jersey$454,400US $332,700
Bachelor's degree or higher49.8%Oldwick49.8%New Jersey43.6%US 35.7%
Mean commute35.2 minOldwick35.2 minNew Jersey30.5 minUS 26.4 min
Population density257 / sq miOldwick257 / sq mi

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

ZIP codes addressed as Oldwick

ZIP codes with the USPS city name Oldwick
ZIP City Type Population Median income Median home
08858 Oldwick , NJ Standard 20 — —

Other ZIP codes overlapping Oldwick

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

ZIP codes overlapping Oldwick
ZIP City Type Population Median income Median home
08833 Lebanon , NJ Standard 9,184 $172,454 $604,400
08889 Whitehouse Station , NJ Standard 10,193 $157,781 $542,300

Map of Oldwick ZIP codes

08858

The ZIP codes of Oldwick, 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 Oldwick

The nearest larger towns are White House Station (3,963 people, 3.7 mi), Bedminster (1,670 people, 4.2 mi) and Lebanon (1,675 people, 5.2 mi).

Towns near Oldwick
TownPopulationDistance
White House Station 3,963 3.7 mi
Peapack and Gladstone 2,571 5.6 mi
The Hills 10,785 6.3 mi
Bridgewater Center 6,505 6.6 mi
Bradley Gardens 14,165 7.7 mi
Green Knoll 6,789 7.9 mi
High Bridge 3,580 7.9 mi
Raritan 8,368 8.3 mi
Bernardsville 7,916 8.8 mi
Clinton 2,789 9.5 mi
Neshanic Station 5,640 9.6 mi
Somerville 13,410 9.7 mi
Martinsville 11,559 9.7 mi
Basking Ridge 7,917 9.9 mi

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

Cite this page

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

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