NCUA-insured credit union
Membersalliance
Credit Union headquartered in Rockford, Illinois.
Source: NCUA call report data, data as of March 31, 2026, fetched September 5, 2026
Headquarters and contact
| Address | 2550 S Alpine Rockford, IL 61108 |
| County | Winnebago |
| Website | not published in NCUA data |
| Phone | (800) 426-2260 |
NCUA record
| NCUA Charter | 81402 |
| Federal Reserve RSSD ID | 497691 |
| Status | Active |
| Charter type | 3 (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 Membersalliance.
Offices
| Nimtz main office Loves Park, IL |
5286 Nimtz Rd, 61111 (800) 426-2260 7:30 to 5:00 Admin site |
| Alpine Rockford, IL |
2550 S Alpine Rd, 61108 (815) 226-2260 8:30 a.m. - 5:00 p.m. |
| Olde Creek Rockford, IL |
6951 Olde Creek Rd, 61114 (815) 484-1160 8:30 - 5:00 |
| West Riverside Branch Rockford, IL |
3902 W Riverside Blvd, 61101 (815) 484-5353 9am to 6pm |
| Roscoe Branch Roscoe, IL |
5110 Rockrose Ct, 61073 (815) 484-1250 8:30 to 5 |
Where Membersalliance has offices
Other credit unions headquartered in Rockford
| Rockford Municipal Employees | $23.72 million |
| Generations | $23.12 million |