Mountainside, NJ ZIP Codes, Coordinates & Counties
Mountainside, New Jersey has 1 ZIP code in Union county. The approximate center of Mountainside is 40.681, -74.36. Mountainside has about 18,670 known street addresses.
ZIP codes in Mountainside, NJ
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 07092 | Union | 40.681 | -74.36 |
Counties Mountainside spans
Union
Most common streets in Mountainside
Summit, Us Highway 22, Central, Hillside, Bristol, Mountain, Greenwood, Cedar, Indian, Springfield
Frequently asked questions
What ZIP codes are in Mountainside, NJ?
Mountainside, New Jersey has 1 ZIP code, ranging from 07092 to 07092. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Mountainside, NJ in?
Mountainside is in Union county.
What are the latitude and longitude of Mountainside, NJ?
The approximate center of Mountainside, New Jersey is latitude 40.681, longitude -74.36. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Mountainside, NJ have?
Mountainside has 1 ZIP code.
How many addresses are in Mountainside, NJ?
Mountainside, New Jersey has about 18,670 known street addresses in the sthan.io US address database.
What are the most common streets in Mountainside, NJ?
Some of the most common street names in Mountainside are Summit, Us Highway 22, Central, Hillside, Bristol, Mountain.
What cities are near Mountainside, NJ?
Cities near Mountainside include Springfield (2 mi), Summit (2 mi), Westfield (2 mi), Cranford (3 mi), Fanwood (3 mi).
Cities near Mountainside
Springfield, NJ (2 mi) Summit, NJ (2 mi) Westfield, NJ (2 mi) Cranford, NJ (3 mi) Fanwood, NJ (3 mi) Garwood, NJ (3 mi) New Providence, NJ (3 mi) Scotch Plains, NJ (3 mi)
Need this for any US address, in code?
Get the ZIP code, county, and coordinates for any US address through the sthan.io API. Free 100 requests/month, no credit card required.
View the API →Last updated: June 2026 · Data: sthan.io US address database