Find the last 4 digits (ZIP+4) for an address in 08553

ZIP 08553, Rocky Hill, NJ is filled in. Just type the street address.

Addresses are checked through our secure proxy. Bot checks use Cloudflare Turnstile. Each device can run 5 live checks per day; repeats of the same address are free.

ZIP Code 08553 – Rocky Hill, NJ

Rocky Hill, New Jersey · Somerset County · Eastern time

ZIP code08553
CityRocky Hill
StateNew Jersey
CountySomerset County
Population819
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area0.61 sq mi
Center (lat, long)40.4003, -74.6389

Area codes in this area

609640

These are the area codes that most often serve ZIP 08553 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.

Map

Nearby ZIP codes

08528 Kingston · 1.4 mi08540 Princeton · 2.6 mi08542 Princeton · 3.4 mi08502 Belle Mead · 3.4 mi08504 Blawenburg · 3.4 mi08558 Skillman · 3.5 mi08541 Princeton · 3.7 mi08544 Princeton · 3.8 mi

About ZIP 08553

ZIP code 08553 is assigned to Rocky Hill, New Jersey. It lies in Somerset County. Its Census area covers about 0.61 square miles of land. The closest neighboring ZIP is 08528 (Kingston), about 1.4 miles away.

Every address in 08553 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.

Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources