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Credit Union Routing Number

Dupage Credit Union Routing Number

The routing number for Dupage Credit Union is 271990198. It is a credit union in Naperville, Illinois, NCUA charter 97084.

Primary ABA / RTN
271990198

Data as of · size and membership from the NCUA 5300 call report. How we update

About Dupage Credit Union

Dupage Credit Union is based in Naperville, Illinois, and has been chartered since 1955. It reported $600.2M in assets for Q2 2026, the 20th largest of 185 credit unions headquartered in Illinois and 686th of 4,252 nationally. Assets were $569.6M a year earlier (Q2 2025), so the credit union is larger now. It counted 49,845 members on that report. The NCUA lists 5 branch locations for the credit union.

Record

Routing number
271990198
NCUA charter number
97084
RSSD ID
79396
Headquarters
Naperville, Illinois 60563
Chartered
1955
Total assets (Q2 2026)
$600.2M
Members (Q2 2026)
49,845
Branch locations
5
Routing record refreshed
October 8, 2026
Check before you send money. Dupage Credit Union's FFIEC record lists this one primary number and does not say whether it also serves wires. Confirm the wire number with the credit union. What a routing number is.

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