Firehouse Subs adresses in Merrillville‚ IN Home Work hours Firehouse Subs hours Indiana Merrillville AddressPhoneMap2627 E 80th Ave Merrillville(219) 942-5555 You May Like White Castle hoursCracker Barrel hoursQdoba hoursSubway hoursLongHorn Steakhouse hoursJimmy John's hoursPeople Are Reading