Credit Union Routing Number
Guardian Credit Union Routing Number
The routing number for Guardian Credit Union is 275079976. It is a credit union in Oak Creek, Wisconsin, NCUA charter 66638.
Data as of · size and membership from the NCUA 5300 call report. How we update
About Guardian Credit Union
Guardian Credit Union is based in Oak Creek, Wisconsin, and has been chartered since 1934. It reported $294.2M in assets for Q2 2026, the 31st largest of 98 credit unions headquartered in Wisconsin and 1049th of 4,252 nationally. Assets were $291.8M a year earlier (Q2 2025), so the credit union is larger now. It counted 24,923 members on that report. The NCUA lists 7 branch locations for the credit union.
Record
- Routing number
- 275079976
- NCUA charter number
- 66638
- RSSD ID
- 101390
- Headquarters
- Oak Creek, Wisconsin 53154
- Chartered
- 1934
- NCUA insured since
- October 29, 1985
- Total assets (Q2 2026)
- $294.2M
- Members (Q2 2026)
- 24,923
- Branch locations
- 7
- Routing record refreshed
- October 8, 2026
Routing numbers of similar-size institutions in Wisconsin
- Bank, Oak Creek, WI
- Tri City National Bank: 075001199
- Bank, Spencer, WI
- Partners Bank: 075906838
- Bank, Nekoosa, WI
- Nekoosa Port Edwards State Bank: 075908043
- Bank, Laona, WI
- Laona State Bank: 091508171
- Bank, Peshtigo, WI
- Peshtigo National Bank: 075906469
- Credit union, Sparta, WI
- 1st Community Credit Union: 275981909
- Bank, Collins, WI
- Collins State Bank: 075908276
- Bank, Waukesha, WI
- First Federal Bank of Wisconsin: 275971692
View Guardian Credit Union's full profile →
More in Wisconsin: routing numbers and credit unions. Is this not Guardian Credit Union's number? Look up a routing number.
Regulator records: NCUA credit union profile (charter 66638) · FFIEC NIC profile (RSSD 101390)