Firehouse Subs adresses in Gahanna‚ OH Home Work hours Firehouse Subs hours Ohio Gahanna AddressPhoneMap406 Granville St Gahanna(614) 269-8600 You May Like Jimmy John's hoursChipotle Mexican Grill hoursWendy's hoursTim Hortons hoursFirehouse Subs hoursSmashburger hoursPeople Are Reading