NCUA-insured credit union
Members 1st — Saint Louis, MO
Credit Union headquartered in Saint Louis, Missouri.
Source: NCUA call report data, data as of March 31, 2026, fetched September 5, 2026
Headquarters and contact
| Address | 4702 Mattis Rd Saint Louis, MO 63128 |
| County | Saint Louis |
| Website | not published in NCUA data |
| Phone | (314) 487-5628 |
NCUA record
| NCUA Charter | 67770 |
| Federal Reserve RSSD ID | 157191 |
| Status | Active |
| Charter type | 2 (STATE) |
| Financials as of | March 31, 2026 |
How to find your Members 1st 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
| Mattis Road main office Saint Louis, MO |
4702 Mattis Rd, 63128 (314) 487-5628 Monday and Friday 9 a.m. to 6 p.m. Tuesday through Thursday 9 a.m to 4:30 p.m. 10 a.m. to 4:30 p.m. on the 4th Wednesday of e |
| Festus Office Festus, MO |
1200 E Gannon Dr, 63028 (636) 931-7144 Monday - Wednesday 8:30 a.m. to 5:00 p.m.Thursday 8:30 a.m. to 5:30 p.m.Friday 8:30 a.m. to 6 p.m.Saturday 8:30 a.m. to 12:00 p.m. |
Where Members 1st has offices
Cities with the most Members 1st offices
Other credit unions headquartered in Saint Louis
| Together | $2.72 billion |
| Neighbors | $571.95 million |
| St. Louis Community | $442.93 million |
| Century | $178.87 million |
| Gateway Metro | $177.12 million |
| First Missouri | $121.16 million |
| Health Care Family | $74.99 million |
| Lutheran | $39.65 million |
Largest credit unions headquartered elsewhere in Missouri
| First Community Chesterfield | $4.99 billion |
| Multipli Jefferson City | $1.43 billion |
| Vantage Saint Charles | $1.15 billion |
| West Community O Fallon | $498.82 million |
| Infuze Fort Leonard Wo | $452.13 million |
| Assemblies of God Springfield | $446.68 million |
| Alliance Fenton | $422.01 million |
| Alltru Wentzville | $403.09 million |
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