Atrium Credit Union ← View details 6051 Market Avenue, Middletown, OH 45005 +1 513-420-5179 atrium4u.org Suggest an Edit Name* State* Locality* ZIP* Street address* Phone* Website Opening hours Monday: 08:15 am — 05:00 pm Tuesday: 08:15 am — 05:00 pm Wednesday: 09:00 am — 04:00 pm Thursday: 08:15 am — 05:00 pm Friday: 07:15 am — 06:00 pm Your comments * — Required information