All state abbreviations

What state is NJ?

NJ = New Jersey

NJ is the official two-letter USPS postal abbreviation for New Jersey. The capital is Trenton, and New Jersey is in the Northeast region. See the full New Jersey profile for borders, nickname, symbols, and map practice.

Quick facts

Abbreviation
NJ
Capital
Region
Northeast
Nickname
The Garden State

Easy to confuse with

FAQ

What state is NJ?

NJ is New Jersey.

Is NJ New Jersey?

Yes. NJ is the USPS postal abbreviation for New Jersey.

What is the capital of New Jersey?

The capital of New Jersey is Trenton.

Which states are easy to confuse with NJ?

Watch for codes like NH, NM, NY when you see NJ.