NCUA-insured credit union
Siu
Credit Union headquartered in Carbondale, Illinois.
Source: NCUA call report data, data as of March 31, 2026, fetched September 5, 2026
Headquarters and contact
| Address | P.O. Box 2888 Carbondale, IL 62902 |
| County | Jackson |
| Website | not published in NCUA data |
| Phone | (618) 457-3595 |
NCUA record
| NCUA Charter | 60279 |
| Federal Reserve RSSD ID | 635091 |
| 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 Siu.
Offices
| Corporate Office main office Carbondale, IL |
1175 E Main St, 62901 (618) 457-3595 M_F 8:00 a.m. - 5:00 p.m. |
| East Branch Carbondale, IL |
395 N Giant City Rd, 62902 (618) 457-3595 M - T 7:30 a.m. - 5:00 p.m. Fri. - 7:30 a.m. - 6:00 p.m. Sat. - 7:30 a.m. - 1:00 p.m. |
| West Branch Carbondale, IL |
1217 W Main St, 62901 (618) 457-3595 M - T 7:30 a.m. - 5:00 p.m. Fri. - 7:30 a.m. - 6:00 p.m. Sat. - 7:30 a.m. - 1:00 p.m. |
| Energy Energy, IL |
300 N Pershing St, 62933 (618) 942-8261 Mon - Thurs 7:30 a.m. - 5:00 p.m. Friday - 7:30 a.m. - 6:00 p.m. |
| Harrisburg Branch Harrisburg, IL |
777 E Ford St, 62946 (618) 252-4510 Monday - Friday 9:00 a.m. - 5:00 p.m. |
| Marion Branch Marion, IL |
2809 Outer Dr, 62959 (618) 457-3595 M - T 7:30 a.m. - 5:00 p.m. Fri. - 7:30 a.m. - 6:00 p.m. Sat. - 7:30 a.m. - 1:00 p.m. |
| Metropolis Branch Metropolis, IL |
704 E 5Th St Ste 1, 62960 (618) 524-8773 M - F 9:00 - 5:00 p.m. |
Where Siu has offices
Other credit unions headquartered in Carbondale
| Carbondale Highway | $5.75 million |