Mainstreet Credit Union ← View details 6025 Lamar Avenue, Mission, KS 66202 +1 888-395-1010 mainstreetcu.org Suggest an Edit Name* State* Locality* ZIP* Street address* Phone* Website Opening hours Monday: 09:00 am — 06:00 pm Tuesday: 09:00 am — 06:00 pm Wednesday: 09:00 am — 06:00 pm Thursday: 09:00 am — 06:00 pm Friday: 09:00 am — 06:00 pm Saturday: 09:00 am — 12:30 pm Your comments * — Required information