Jefferson, NJ ZIP Codes

ZIP code, county, time zone and coordinates of Jefferson, New Jersey

The ZIP code of Jefferson, NJ is 07438. Jefferson has 2 ZIP codes: 07438, 07866. It is in Morris County.

Mailing address format for Jefferson

John Smith
123 Main St
JEFFERSON NJ 07438
USA

USPS prefers capital letters without punctuation. Check the exact ZIP+4 for a street address on the USPS website.

All ZIP codes in Jefferson

ZIP codePopulationArea
07438—30.0 sq miMain
07866—23.0 sq mi

ZIP Code Tabulation Areas (ZCTA), U.S. Census Bureau. A ZCTA can cover parts of more than one town.

Where is Jefferson? Location, county and time zone

State
New Jersey
County
Morris County
GPS coordinates
41.00439, -74.53978
Elevation
1,142 ft (348 m)
Time zone
America/New YorkEST · UTC-05:00
Population
20,538

Map of Jefferson, NJ 07438

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ZIP codes near Jefferson

Jefferson ZIP code: FAQ

What is the ZIP code for Jefferson, NJ?

The main ZIP code for Jefferson, NJ is 07438. All ZIP codes: 07438, 07866.

How many ZIP codes does Jefferson have?

Jefferson has 2 ZIP codes.

What county is Jefferson, NJ in?

Jefferson is in Morris County, New Jersey.

What time zone is Jefferson in?

Jefferson is in the America/New York time zone (EST, UTC-05:00 right now).

What are the coordinates of Jefferson?

Latitude 41.00439, longitude -74.53978.

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