NCUA-insured credit union
Guardian
Credit Union headquartered in Oak Creek, Wisconsin.
Source: NCUA call report data, data as of March 31, 2026, fetched September 5, 2026
Headquarters and contact
| Address | 7801 S Howell Ave Oak Creek, WI 53154 |
| County | Milwaukee |
| Website | not published in NCUA data |
| Phone | (414) 546-7450 |
NCUA record
| NCUA Charter | 66638 |
| Federal Reserve RSSD ID | 101390 |
| Status | Active |
| Charter type | 2 (STATE) |
| Financials as of | March 31, 2026 |
Routing number
NCUA does not publish ABA routing numbers, and many credit unions use different routing numbers by state or by account type. The reliable places to find yours: the bottom left of a check from this credit union, the "account details" screen in its online banking, or its official website.
See how your odds compare before you apply at Guardian.
Offices
| Guardian Credit Union-Oak Creek Office main office Oak Creek, WI |
7801 S Howell Ave, 53154 (414) 546-7450 M-F 9AM to 5PM S 9AM to Noon |
| Guardian Credit Union-Menomonee Falls Office Menomonee Falls, WI |
W186N9559 Bancroft Dr, 53051 (414) 546-7450 M-F 9AM to 5PM S 9AM to Noon |
| Guardian Credit Union-South Milwaukee Office South Milwaukee, WI |
1025 Milwaukee Ave, 53172 (414) 546-7450 M-F 9AM to 5PM S 9AM to Noon |
| Guardian Credit Union-Waukesha Office Waukesha, WI |
1501 E Sunset Dr, 53189 (414) 546-7450 M-F 9AM to 5PM S 9AM to Noon |
| Guardian Credit Union-West Allis Office West Allis, WI |
11220 W Oklahoma Ave, 53227 (414) 546-7450 M-F 9AM to 5 PM S 9AM to Noon |
| Guardian Credit Union-West Milwaukee Office West Milwaukee, WI |
4501 W Greenfield Ave, 53214 (414) 546-7450 M-F 9AM to 5PM S 9AM to Noon |
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8985 Balboa Ave, 92123 (619) 542-6700 |