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Contact Us

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At Mainstreet Credit Union, we are always striving to improve our products and services. We welcome your suggestions and questions.

Please use the secure form below to contact us.


Phone Numbers

Member Assistance Center
9:00 a.m. - 5:00 p.m., Monday - Friday

1-888-395-1010  Toll Free
1-913-599-1010  Johnson County

1-913-422-1029  Bonner Springs
1-785-842-5657  Lawrence
1-785-856-5200  Lawrence-Merc Branch (Direct Line)
1-913-651-6555  Leavenworth (Direct Line)
1-816-413-0911  North Oak - KCMO (Direct Line)
1-913-788-7942  Wyandotte
 

PhoneAccess

1-913-599-2400
1-888-316-2400

 

FAX Numbers

Lenexa: 1-913-599-2093
Mission: 1-913-677-2907
Downtown Olathe: 1-913-782-7618
East Olathe: 1-913-393-0646
Lawrence 23rd St.: 1-785-842-4656
Lawrence-Merc: 1-785-331-2393
Leavenworth: 1-913-651-0034
Wyandotte: 1-913-788-5905
North Oak: 1-816-413-0912
Honeywell: 1-913-712-3920
S.M. Medical Center: 1-913-789-3819


 

Mailing Address

Mainstreet Credit Union
P.O. Box 15359
Lenexa, KS 66285-9856

 

 Secure Form

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Account(s) Interested In:
Personal Checking Money Market Accounts
Savings Accounts Retirement Accounts
Share Certificates Home Loans
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