516 Day in Nassau County! First-Ever "516 Day!" A Nassau County Celebration 516 Nassau Area Code theme promotion 516 Day in Nassau County! Set a Reminder Enter your email address below to receive a reminder message. Email address Select the amount of Days before the event -- Select Days Before Event -- 1 Day 2 Days 3 Days 1 Week Submit Date and Time Friday May 16, 2025 May 16, 2025 All Day Location Nassau County New York Set a Reminder Enter your email address below to receive a reminder message. Email address Select the amount of Days before the event -- Select Days Before Event -- 1 Day 2 Days 3 Days 1 Week Submit Share × Print Email Add to Calendar Facebook Twitter LinkedIn Tell a Friend × Select Calendar Type × Google Yahoo iCal (Outlook, Apple, or other)
