Illinois · NCUA branch file, Q2 2026
Credit unions in Plainfield, IL
4 credit unions have 5 offices in Plainfield, Illinois, according to the branch information they filed with NCUA for the quarter ended June 30, 2026. Cbi Federal Credit Union has the most here (2); the largest by assets is Greenstate Credit Union at $10.9 billion.
| Credit union | Offices here | Assets | Net worth ratio | New auto rate | Based in |
|---|---|---|---|---|---|
| Cbi Federal Credit Union | 2 | $17.4M | 10.70% | 6.37% | Plainfield, IL |
| Greenstate Credit Union | 1 | $10.9B | 9.03% | 5.77% | North Liberty, IA |
| Numark Credit Union | 1 | $932M | 10.24% | 6.49% | Joliet, IL |
| Abri Credit Union | 1 | $381M | 11.76% | 4.09% | Romeoville, IL |
Rates are what each credit union reported to NCUA for new auto loans, not offers. All Illinois credit union loan rates.
Addresses, phone numbers and hours
Cbi Federal Credit Union
- Main Office 13717 S Route 30 Ste 157, Plainfield, IL 60544 Main office
- Satellite Office at CB&I Inc. 14105 S Route 59, Plainfield, IL 60544
Greenstate Credit Union
- Plainfield 13440 S Route 59, Plainfield, IL 60585 Drive-through · ATM
Numark Credit Union
- Plainfield Branch 12251 S Route 59, Plainfield, IL 60585 Drive-through · ATM
Abri Credit Union
- Plainfield 2325 Drauden Rd, Plainfield, IL 60586 Drive-through · ATM
Addresses, phones and hours are as each credit union filed them with NCUA; confirm before you visit. Not affiliated with NCUA or any credit union.
Other cities in Illinois
- Chicago 49
- Peoria 9
- Springfield 12
- Moline 10
- Decatur 9
- Rockford 8
- Bloomington 8
- Gurnee 7
- Danville 5
- Naperville 5
- Aurora 7
- Normal 5
- Loves Park 6
- Waukegan 3
- North Chicago 3
- Edwardsville 5
Every Illinois city · All Illinois credit unions
Questions people ask
How many credit unions are in Plainfield, IL?
NCUA's branch file for Q2 2026 lists 5 credit union offices in Plainfield, run by 4 credit unions, 1 of them headquartered in the city.
Which credit union has the most branches in Plainfield?
Cbi Federal Credit Union, with 2 offices in Plainfield. The largest credit union with an office here is Greenstate Credit Union, with $10.9 billion in assets.
Can I join a credit union in Plainfield?
Each credit union serves a defined field of membership, often people who live or work in an area, employees of certain companies, or members of an association. Check the credit union's own eligibility rules. Some credit unions are open to anyone in the US through an association or a small donation.