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/UPPER-STEWARTSVILLE

Upper Stewartsville ZIP codes, New Jersey

No ZIP code is named for Upper Stewartsville, NJ; addresses there use a neighbouring town's name. The ZIP code covering it is 08886. Its area code is 908.

USPS city name
0 ZIP codes
Overlapping the city
1 more
Population
128
Area code
908

NANPA lists no telephone rate centre for Upper Stewartsville itself, so these are the area codes of the nearest one, Phillipsburg (2.8 miles). A town on an area-code boundary can differ from its neighbour.

ZIP codes covering Upper Stewartsville

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

ZIP codes overlapping Upper Stewartsville
ZIP City Type Population Median income Median home
08886 Stewartsville , NJ Standard 6,435 $161,168 $447,100

Map of Upper Stewartsville ZIP codes

08886

The ZIP codes of Upper Stewartsville, 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 Upper Stewartsville

The nearest larger towns are Lopatcong Overlook (453 people, 1.4 mi), Stewartsville (710 people, 1.5 mi) and Greenwich (2,679 people, 1.5 mi).

Towns near Upper Stewartsville
TownPopulationDistance
Greenwich 2,679 1.5 mi
Phillipsburg 15,299 3.2 mi
Chestnut Hill, PA 7,086 4.7 mi
Easton, PA 29,739 5.3 mi
Wilson, PA 8,183 6.5 mi
Palmer Heights, PA 3,624 7.8 mi
Washington 7,334 8.1 mi
Belvidere 2,538 9.0 mi
Eastlawn Gardens, PA 3,722 9.1 mi
Nazareth, PA 6,043 10.3 mi
Middletown, PA 7,628 11.5 mi
Clinton 2,789 11.7 mi
Bangor, PA 5,163 12.2 mi
High Bridge 3,580 12.3 mi

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

Cite this page

zipcodes.pro. “Upper Stewartsville, NJ ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/nj/upper-stewartsville

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