If I wanted to apply for a job in your store who would I address the letter to

Yes, you need to pick up an application. It can onoy be turned into the Middletown location behind the Ace Hardware building from 9:00 a.m. until 12:00 p.m. on Monday.

Yes but if I were to send a cover letter

I'd suggest walking inside and asking for a job application. Retail establishments generally have a form they would like you to fill out.