Skip to main content

Credit Union Routing Number

Siu Credit Union Routing Number

The routing number for Siu Credit Union is 281276420. It is a credit union in Carbondale, Illinois, NCUA charter 60279.

Primary ABA / RTN
281276420

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

About Siu Credit Union

Siu Credit Union is based in Carbondale, Illinois, and has been chartered since 1938. It reported $591.3M in assets for Q2 2026, the 21st largest of 185 credit unions headquartered in Illinois and 691st of 4,252 nationally. Assets were $542.0M a year earlier (Q2 2025), so the credit union is larger now. It counted 46,485 members on that report. The NCUA lists 7 branch locations for the credit union.

Record

Routing number
281276420
NCUA charter number
60279
RSSD ID
635091
Headquarters
Carbondale, Illinois 62902
Chartered
1938
NCUA insured since
May 4, 1971
Total assets (Q2 2026)
$591.3M
Members (Q2 2026)
46,485
Branch locations
7
Routing record refreshed
October 8, 2026
Check before you send money. Siu 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.

Routing numbers of similar-size institutions in Illinois

Credit union, Carbondale, IL
Carbondale Highway Credit Union: 281276378
Bank, Kewanee, IL
Peoples National Bank of Kewanee: 071102487
Bank, Effingham, IL
Washington Savings Bank: 281271014
Credit union, Naperville, IL
Dupage Credit Union: 271990198
Bank, La Grange, IL
FNBC Bank and Trust: 071903929
Credit union, Ottawa, IL
Financial Plus Credit Union: 271987363
Credit union, Springfield, IL
Heartland Credit Union: 271189446
Credit union, Chicago, IL
National Police Federal Credit Union: 271078146

All routing numbers in Illinois

View Siu Credit Union's full profile →

More in Illinois: routing numbers and credit unions. Is this not Siu Credit Union's number? Look up a routing number.