ZIP code · Mountainside · New Jersey · United States
ZIP code 07092 — Mountainside
ZIP code 07092 serves Mountainside, New Jersey.
- Postal code
- 07092Single source Value from one source, not cross-checked.
- City
- Mountainside
- County
- Union
- State
- New Jersey
- Country
- United States
- Coordinates
- 40.6785, -74.3588 — precision precise (locality)
View on OpenStreetMap - Population
- 6,967 (ZCTA, ACS 5-year)
- Median household income
- $210,100
- Median age
- 48.7
- Time zone
- America/New_York (UTC−5 / UTC−4 DST)
- Area code
- 908 (from the nearest rate centre)Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS). Data generated on 2026-08-21. Methodology · Report an error on this page