NCUA-insured credit union
Sioux Valley Coop — Watertown, SD
Credit Union headquartered in Watertown, South Dakota.
Source: NCUA call report data, data as of March 31, 2026, fetched September 5, 2026
Headquarters and contact
| Address | Po Box 344 Watertown, SD 57201 |
| County | Codington |
| Website | not published in NCUA data |
| Phone | (605) 882-2706 |
NCUA record
| NCUA Charter | 8752 |
| Federal Reserve RSSD ID | 385985 |
| Status | Active |
| Charter type | 1 (NCUA) |
| Financials as of | March 31, 2026 |
How to find your Sioux Valley Coop 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.
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Offices
| Sioux Valley Co-Op Fcu main office Watertown, SD |
712 9Th Ave Se, 57201 (605) 882-2706 Monday - Friday 9:00 am - 5:00 pm |
Where Sioux Valley Coop has offices
Cities with the most Sioux Valley Coop offices
Other credit unions headquartered in Watertown
| Avanti | $31.81 million |
Largest credit unions headquartered elsewhere in South Dakota
| Black Hills Rapid City | $2.37 billion |
| Dakotaland Huron | $739.56 million |
| Levo Sioux Falls | $526.57 million |
| Voyage Sioux Falls | $282.43 million |
| Highmark Rapid City | $260.08 million |
| Bluestone Sioux Falls | $212.57 million |
| Service First Sioux Falls | $210.05 million |
| Area Aberdeen | $200.24 million |
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