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Members 1st Credit Union - Contact Us

Our vision at Members 1st Credit Union is to be our members’ most trusted financial partner.

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Mattis Office

Address:
4702 Mattis Road, St. Louis, MO 63128-2822
Phone:
314-487-5628 or toll-free 877-487-5628
Fax:
314-845-0974 or 314-845-0550

Mattis Hours of Operation:
Days: Hours:
Monday - Thursday 9 a.m. – 4:30 p.m.
Fourth Thursday of the Month 10 a.m. – 4:30 p.m.
Friday 9 a.m. – 6 p.m.
 
 

Festus Office

Address:
1200 E. Gannon Dr., Festus, MO 63028-2614
Phone:
636-931-7144 or 636-937-7144
Fax:
636-937-3733

Festus Hours of Operation:
Days: Hours:
Monday – Thursday 9 a.m. – 4:30 p.m.
Fourth Thursday of the Month 10 a.m. – 4:30 p.m.
Friday 9 a.m. – 6 p.m.
Saturday (Drive-thru only,
no shared branch)
9 a.m. – noon
 
 

       

CO-OP ATMs & Shared Branches

Members 1st Credit Union is part of an ATM and shared branch network that gives you access to nearly 30,000 free ATMs and more than 5,300 credit union offices. Find an ATM or branch near where you live, work or play!

Routing Number

281081246