Dupaco Locations

Cedar Falls/Waterloo

San Marnan (Now Open!)
1946 Schukei Rd
Waterloo, IA 50702
3421 W 9th St (Inside Covenant)
Waterloo, IA 50702
218 W Mullan Ave
Waterloo, IA 50701
3301 Cedar Heights Dr
Cedar Falls, IA 50613

Cedar Rapids

110 35th St Dr SE
Cedar Rapids, IA 52403
3131 Williams Blvd SW
Cedar Rapids, IA 52404
501 4th Ave SE
Cedar Rapids, IA 52401

Greater Dubuque

3999 Pennsylvania Ave
Dubuque, IA 52002
3299 Hillcrest Rd
Dubuque, IA 52004
1465 Sycamore St
Dubuque, IA 52003
2245 Flint Hill Dr
Dubuque, IA 52003
5865 Saratoga Rd
Asbury, IA 52002
400 S Locust St (Inside Hy-Vee)
Dubuque, IA 52003

Hwy 20 Corridor

807 9th St SE
Dyersville, IA 52040
1200 W Main St
Manchester, IA 52057
185 Peosta St
Peosta, IA 52068


11375 Oldenburg Ln
Galena, IL 61036
1100 E. Business Hwy. 151
Platteville, WI 53818

Western Iowa

503 W Hwy 30
Carroll, IA 51401

Shared Branches

Dupaco Credit Union - Waterloo, IA
218 W. Mullan Avenue

Dupaco Waterloo Mullan Ave. branch rendering  

The overall remodel project includes these phases (all dates are approximate and are weather-dependant):

1. Early November: Work on the drive-up canopy begins.

2. Mid-November: A temporary facility is expected on-site and is prepared for use.

3. Late November: Two drive-up interactive video tellers are scheduled to be installed.

4. Early December: Move into the temporary facility

5. Dec. 1—April 1: Project construction completion.

6. Mid-April: Move out of temporary facility and back into branch.

The Mullan Branch will be open during construction.
The Mullan Branch makeover includes enlarging the lobby and increasing office space to create a more dynamic area for Dupaco experts to help you keep your finances moving in the right direction.

Construction will be complete in April 2017
The duration of the Mullan Avenue makeover is expected to be between 18-22 weeks.

Check here for recent updates and announcements:
We are open during construction! Please enter our temporary lobby behind the building.

Waterloo-based Kirk Gross Company, which built the Dupaco San Marnan Learning Lab, will manage the Mullan remodel project.


M-Fr: 8:30 a.m.-5:30 p.m.
Sat: 8:30 a.m.-12:30 p.m.

M-Fr: 8 a.m.-5:30 p.m.
Sat: 8:30 a.m.-12:30 p.m.


Phone: (319) 235-0381 /
(800) 373-7600
Fax: (319) 234-1084

218 W Mullan Ave

Waterloo, IA 50701

Dylan Buls, Waterloo, IA Credit Union Branch Manager

Dylan Buls, Branch Manager
Phone Extension: 2405   E-mail: dbuls@dupaco.com

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General Information

Corporate Mailing Address
Dupaco Community Credit Union
3999 Pennsylvania Avenue
P.O. Box 179
Dubuque, IA 52004-0179

Department e-mail
Consumer Loans > loans@dupaco.com
Dupaco Financial Services > financialservices@dupaco.com
Dupaco Insurance Services > insurance@dupaco.com
Member Services > service@dupaco.com
Real Estate > mortgage@dupaco.com
Marketing > marketing@dupaco.com
Website Support > webmaster@dupaco.com

Main Phone Numbers
(563) 557-7600 / 800-373-7600
Calls to Dupaco's main phone numbers are answered all day, every day. Please note, during holiday, weekend and evening hours account information and services available by phone may be limited.

Iowa Relay (Hearing Impaired) Phone Number

24-Hour VISA Card Services Phone Number