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/CALDWELL

Caldwell ZIP codes, New Jersey

Caldwell, NJ has 2 ZIP codes (07006 and 07007) and area codes 973, 862 and 201. The largest is 07006.

USPS city name
2 ZIP codes
Population
9,003
Area codes
973, 862, 201

Caldwell in numbers

About 9,003 people live in Caldwell, in 3,799 households. The median household income is $96,824 a year, 7% below the New Jersey median of $103,556 (US: $80,734). The median owner-occupied home is valued at $575,400 (27% above the New Jersey median), and median gross rent is $1,976 a month. The median age is 37.2; 56.9% of adults 25 and over hold a bachelor's degree or higher (43.6% across New Jersey); the average commute takes 30 minutes.

Population9,003Caldwell9,003
Households3,799Caldwell3,799
Median age37.2Caldwell37.2New Jersey40.1US 38.9
Median household income$96,824Caldwell$96,824New Jersey$103,556US $80,734
Median home value$575,400Caldwell$575,400New Jersey$454,400US $332,700
Median gross rent$1,976Caldwell$1,976New Jersey$1,720US $1,413
Bachelor's degree or higher56.9%Caldwell56.9%New Jersey43.6%US 35.7%
Mean commute29.5 minCaldwell29.5 minNew Jersey30.5 minUS 26.4 min
Population density7,643 / sq miCaldwell7,643 / sq mi

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

ZIP codes addressed as Caldwell

ZIP codes with the USPS city name Caldwell
ZIP City Type Population Median income Median home
07006 Caldwell , NJ Standard 26,654 $149,102 $694,400
07007 Caldwell , NJ No street area — — —

Map of Caldwell ZIP codes

0700607007

The ZIP codes of Caldwell, 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 Caldwell

The nearest larger towns are Upper Montclair (12,457 people, 4.0 mi), Brookdale (9,960 people, 5.1 mi) and Totowa (10,959 people, 5.3 mi).

Towns near Caldwell
TownPopulationDistance
North Caldwell 6,656 2.0 mi
Roseland 6,268 2.1 mi
Singac 4,207 3.6 mi
Upper Montclair 12,457 4.0 mi
Pine Brook 5,961 4.1 mi
Great Notch 4,008 4.2 mi
Glen Ridge 7,943 4.5 mi
Montclair State University 2,853 4.5 mi
Brookdale 9,960 5.1 mi
Totowa 10,959 5.3 mi
Watsessing 8,232 5.4 mi
Woodland Park 13,355 5.6 mi
Lincoln Park 10,957 6.0 mi
East Orange 70,090 6.2 mi

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

Cite this page

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

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