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Credit Union Routing Number

Community 1st Credit Union Routing Number

The routing number for Community 1st Credit Union is 273975726. It is a credit union in Ottumwa, Iowa, NCUA charter 68510.

Primary ABA / RTN
273975726

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

About Community 1st Credit Union

Community 1st Credit Union is based in Ottumwa, Iowa, and has been chartered since 1936. It reported $1.10B in assets for Q2 2026, the 6th largest of 65 credit unions headquartered in Iowa and 442nd of 4,252 nationally. Assets were $1.05B a year earlier (Q2 2025), so the credit union is larger now. It counted 72,622 members on that report. The NCUA lists 24 branch locations for the credit union.

Record

Routing number
273975726
NCUA charter number
68510
RSSD ID
512875
Headquarters
Ottumwa, Iowa 52501
Chartered
1936
NCUA insured since
January 4, 1971
Total assets (Q2 2026)
$1.10B
Members (Q2 2026)
72,622
Branch locations
24
Routing record refreshed
October 8, 2026
Check before you send money. Community 1st 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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