Johnny’s Half Shell Claim Listing Return to Directory Rating (average) (0) Business Genre Places, To Eat Business Website Address johnnyshalfshell.net Business Address, City 400 N Capitol St NW # 175, Washington ZIP Code 20001 Business Phone Number 2027370400 Business Fax 2027373026 Ratings There are no reviews yet. Please login to leave a review. Please login to claim this listing. Username*: Email*: Password*: Log in | Lost your password?