Sparky's One Stop ← View details 920 13th Street North, Humboldt, IA 50548 +1 515-332-9984 sparkysonestop.com Suggest an Edit Name* State* Locality* ZIP* Street address* Phone* Website Opening hours Sunday: 12:00 am — 11:59 pm Monday: 12:00 am — 11:59 pm Tuesday: 12:00 am — 11:59 pm Wednesday: 12:00 am — 11:59 pm Thursday: 12:00 am — 11:59 pm Friday: 12:00 am — 11:59 pm Saturday: 12:00 am — 11:59 pm Your comments * — Required information