New Jersey is the only possible answer, and most people would consider its first letter to be 'N'.
The only letter which begins with the letter 'J' is the letter 'J.'
Jasmine is a flower. It begins with the letter j.
jump
Jackfruit
Jagermeister
Utah, Kansas, Kentucky and Louisiana are U.S. states. No U.S. state begins with the letter j.
Jacksonville is a city in Florida. It begins with the letter J.
Jade is a color. It begins with J.
No state starts with the letter j in the United States of America.
A store that begins with the letter J in Michigan is the J Crew store.
The only letter which begins with the letter 'J' is the letter 'J.'
The candy that begins with J is Jelly Beans.
Jump is shouted. It begins with the letter j.
Johnstown is a city in Pennsylvania. It begins with the letter J.
Jacksonville is a city in North Carolina
States that begin with the letter J:India - Jammu and KashmirIndia - JharkhandMalaysia - JohorMexico - JaliscoNigeria - Jigawa
No county in the United Kingdom begins with the letter J.