Missouri · NCUA branch file, Q2 2026

Credit unions in O Fallon, MO

5 credit unions have 7 offices in O Fallon, Missouri, according to the branch information they filed with NCUA for the quarter ended June 30, 2026. First Community Credit Union has the most here (2); the largest by assets is First Community Credit Union at $5.04 billion.

Credit unionOffices hereAssetsNet worth ratioNew auto rateBased in
First Community Credit Union2$5.0B8.62%5.39%Chesterfield, MO
Vantage Credit Union2$1.2B8.03%5.99%Saint Charles, MO
Together Credit Union1$2.7B9.66%4.64%Saint Louis, MO
West Community Credit Union1$656M8.21%6.03%O Fallon, MO
Alliance Credit Union1$423M11.74%5.63%Fenton, MO

Rates are what each credit union reported to NCUA for new auto loans, not offers. All Missouri credit union loan rates.

Addresses, phone numbers and hours

First Community Credit Union

  • OFallon 3440 Highway K, O Fallon, MO 63368 636-728-3333 · M-TH 8:30-4:00 F 8:30-6:00 SA 8:30-12:30 Drive-through · ATM
  • O Fallon Walmart 1307 Highway K, O Fallon, MO 63366 636-728-3333 · M-F 8:30-7:00 SA 9:00-3:00 SU 9:00-3:00 ATM

Vantage Credit Union

  • OFallon 29 Ofallon Sq, O Fallon, MO 63366 314-298-0055 · M - TH 9:00 am - 5:00 pm F 9:00 am - 5:30 pm S 9:00 am - Noon
  • Progress Point 100 Progress Point Ct, O Fallon, MO 63368 314-298-0055 · M - TH 9:00 am - 5:00 pm F 9:00 am - 5:30 pm S 9:00 am - Noon

Together Credit Union

  • O'Fallon 2531 Highway K, O Fallon, MO 63368 636-980-9800 · Lobby: M-Th 9am-5pm; Fr 9am-6pm; Sat. 9am-12pm Drive Up: M-F 8am-6pm Sat. 8am-12pm

West Community Credit Union

  • O'Fallon 4161 Highway K, O Fallon, MO 63368 636-720-2400 · Lobby: MTTh 9:00 am - 5:00 pmW 10:00 am - 5:00 pmF 9:00 am - 6:00 pmS 9:00 am - 12:00 pm… Main office · Drive-through · ATM

Alliance Credit Union

  • O'Fallon Branch 1051 Highway K, O Fallon, MO 63366 636-343-7005 · Office Hours Monday - Friday 9:00am - 5:30pm Saturday 9:00am - noon Drive Thru Hours Mon… 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 Missouri

Every Missouri city · All Missouri credit unions

Questions people ask

How many credit unions are in O Fallon, MO?

NCUA's branch file for Q2 2026 lists 7 credit union offices in O Fallon, run by 5 credit unions, 1 of them headquartered in the city.

Which credit union has the most branches in O Fallon?

First Community Credit Union, with 2 offices in O Fallon. The largest credit union with an office here is First Community Credit Union, with $5.04 billion in assets.

Can I join a credit union in O Fallon?

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.