New Jersey State Data — United States (US)

Code: NJ Country: US Capital: Trenton Pop: 9.3 million

New Jersey (NJ) is a state of United States (US) with capital Trenton. Get New Jersey cities, zip codes and geographic data via the Country Data API REST endpoints. Query by country code 'US' and state code 'NJ'. Free to start, JSON, plans from $9.99/mo.

Get New Jersey cities and zip codes via API

Use the United States country code US and the state code NJ to query New Jersey-specific geographic data.

Cities in New Jersey

All cities and localities in New Jersey, United States

Get cities

Zip / Postal Codes in New Jersey

Complete postal code dataset for New Jersey

Get zip codes

All states of United States

List every state/province in United States

See all states

API Request Example

Fetch cities in New Jersey (NJ) via the REST API.

Cities by state

GET https://api.countrydataapi.com/v1/cities/by-state?country=US&state=NJ

Authorization: Bearer YOUR_API_KEY

cURL example

curl "https://api.countrydataapi.com/v1/zipcode/by-state?country=US&state=NJ"   -H "Authorization: Bearer YOUR_KEY"

Access New Jersey cities & zip codes via API

Integrate New Jersey (United States) geographic data into your application. One API for all countries, states, cities and zip codes.