Branches and Hours

Call Center


Monday – Friday: 8:30 AM – 5:00 PM
Saturday: 9:00 AM – Noon


8580 Virginia Street 46410
Drive Up & 24-Hour ATM

Fax: 219-756-4120

Lobby Hours:
Monday - Friday: 8:30 AM – 5:00 PM

Monday - Friday: 8:30 AM – 5:00 PM
Saturday: 9:00 PM – Noon


510 N. Broad Street 46319
Drive Up

Fax: 219-924-1632

Lobby Hours:
Monday – Friday: 8:30 AM – 5:00 PM
Saturday: – 9:00 AM – Noon

Monday - Friday: 8:30 AM – 5:00 PM
Saturday: 9:00 AM – Noon

Franciscan Health - Dyer

24 Joliet Street 46311

Fax: 219-322-1125

Lobby Hours:
Monday – Closed
Tuesday – 11:00 AM – 4:00 PM
Wednesday – Closed
Thursday – 11:00 AM – 4:00 PM
Friday – 11:00 AM – 4:00 PM


Merrillville Office
8580 Virginia Street 46410

NiSource Corporate Headquarters
801 E 86th Avenue Merrillville, IN
(Limited Access Location)

Shared Branches

CO-OP Shared Branch locations offer fee-free access to your money, almost anywhere!

Personalized service is a major benefit of banking at Members Source Credit Union, and you don’t have to sacrifice convenience to get it. Another example of the benefits of credit union membership, shared branching offers the best of both worlds—individualized attention and nationwide availability. The cooperative spirit of credit unions allows them to work with each other in ways that competing banks typically do not. 

At CO-OP Shared Branch locations you can make deposits, withdrawals, and loan payments. Many shared branches also offer transfers, statement histories, money orders, traveler’s checks and notary services. Since services vary from one location to another, check with individual branches before your visit for a complete menu of available services.

Wherever you are across the country, chances are good there’s a CO-OP Shared Branch near you.

Over 5,000 nationwide locations at your service

Members Source Credit Union now offers Xtend shared branching!

Access your Members Source accounts at any of our convenient shared branches (over 250 credit union locations to choose from!) to:

  • Withdrawal cash
  • Make deposits
  • Pay a loan
  • Transfer funds
  • Obtain your balance
Search for a location near you by navigating to search.xtendcu.com or contact us today for more information.

Surcharge-Free ATMs

Look for the CU Here or Money Pass logos

CU24 is a credit union owned cooperative that gives you access to the largest surcharge – free ATM network in the nation. Use the ATM Locator to find a CU24 ATM near you.

Use ATMs from Alliance One

Alliance One, founded in 1998, is a nationwide cooperative group of credit unions, community banks and thrifts that have joined forces to let their cardholders access each other’s’ ATMs all over America without having to pay ATM surcharges. Use the ATM Locator to find an Alliance One ATM near you.

Members Source logo

Routing Number: 271991210
NMLS: 487142

Equal Housing Opportunity Logo

Main Office:

8580 Virginia St.
Merrillville, IN 46410
Fax: 219-756-4120
Drive Up & 24-Hour ATM

Call Center:

Monday – Friday: 8:30 – 5:00
Saturday: 9:00 – 12:00 Noon

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