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/HOPATCONG

Hopatcong ZIP code, New Jersey

The ZIP code for Hopatcong, NJ is 07843, and its area codes are 862 and 973.

USPS city name
1 ZIP code
Overlapping the city
4 more
Population
14,565
Area codes
862, 973

Mail addressed to Hopatcong uses the ZIP code above. 4 more ZIP codes cover part of the city but are addressed as somewhere else; they are listed separately below.

Hopatcong in numbers

About 14,565 people live in Hopatcong, in 5,964 households. The median household income is $115,758 a year, 12% above the New Jersey median of $103,556 (US: $80,734). The median owner-occupied home is valued at $340,700 (25% below the New Jersey median), and median gross rent is $1,777 a month. The median age is 41.0; 34.6% of adults 25 and over hold a bachelor's degree or higher (43.6% across New Jersey); the average commute takes 37 minutes.

Population14,565Hopatcong14,565
Households5,964Hopatcong5,964
Median age41.0Hopatcong41.0New Jersey40.1US 38.9
Median household income$115,758Hopatcong$115,758New Jersey$103,556US $80,734
Median home value$340,700Hopatcong$340,700New Jersey$454,400US $332,700
Median gross rent$1,777Hopatcong$1,777New Jersey$1,720US $1,413
Bachelor's degree or higher34.6%Hopatcong34.6%New Jersey43.6%US 35.7%
Mean commute36.9 minHopatcong36.9 minNew Jersey30.5 minUS 26.4 min
Population density1,338 / sq miHopatcong1,338 / sq mi

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

ZIP codes addressed as Hopatcong

ZIP codes with the USPS city name Hopatcong
ZIP City Type Population Median income Median home
07843 Hopatcong , NJ Standard 11,098 $108,651 $340,000

Other ZIP codes overlapping Hopatcong

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

ZIP codes overlapping Hopatcong
ZIP City Type Population Median income Median home
07821 Andover , NJ Standard 9,662 $141,860 $431,500
07849 Lake Hopatcong , NJ Standard 8,380 $117,298 $438,600
07871 Sparta , NJ Standard 21,437 $167,654 $479,700
07874 Stanhope , NJ Standard 8,752 $132,500 $364,000

Map of Hopatcong ZIP codes

07843

The ZIP codes of Hopatcong, 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 Hopatcong

The nearest larger towns are Dover (18,563 people, 7.1 mi), Parsippany (21,345 people, 14 mi) and Morristown (20,453 people, 14 mi).

Towns near Hopatcong
TownPopulationDistance
Mount Arlington 5,935 2.4 mi
Lake Hopatcong 10,259 2.8 mi
Landing 4,737 3.1 mi
Stanhope 3,552 3.4 mi
Netcong 3,659 4.1 mi
Lake Mohawk 9,508 4.3 mi
Ledgewood 5,377 4.7 mi
Wharton 7,318 5.9 mi
Mount Hope 3,120 6.2 mi
Budd Lake 10,650 6.7 mi
Succasunna 9,799 6.7 mi
Dover 18,563 7.1 mi
Flanders 8,809 7.9 mi
White Meadow Lake 8,842 8.2 mi

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

Cite this page

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

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