Lottery spokeswoman Melissa Juhnowski says the retailer will unveiled at a news conference on Monday morning.
The winning numbers were 1-10-37-52-57 and Powerball number 11.
The jackpot was the third-largest in Powerball history. The ticket price increased from $1 to $2 last month, and rising sales nearly doubled the jackpot from $173.5 million on Feb. 1.
Powerball is played in 42 states, Washington, D.C., and the U.S. Virgin Islands. The chance of matching all five numbers and the Powerball number is about 1 in 175 million.
