Membership Eligibility If you live or work in the following counties you are eligible to join Southern Illinois Area Credit Union.
If you work for one of these employers or belong to one of the following:
Once you are a member, you may then use the other services of SIACUCredit Union. SIACU Credit Union has a "once a member, always a member" policy. Once you are a member, family members may also join Southern Illinois Area Credit Union.
Requirements to open a share account:
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