US Bank Directory
Banks in Affton, MO
4 FDIC-insured banks operate 4 offices in Affton, Missouri, and 1 credit union has 1 office.
Source: FDIC BankFind, data as of September 5, 2026; NCUA call report as of March 31, 2026; hours checked October 10, 2026.
Bank branch map: Affton
Banks sit at the coordinates in their FDIC record; credit union offices at their NCUA address, located with the U.S. Census Bureau Geocoder. Point at a marker for today's hours, tap it for the address, directions and the bank's site.
Short answer: 5 banks and credit unions operate 5 locations in Affton, according to the FDIC and the NCUA. 5 of them have coordinates on record and are on the map. 2 publish opening hours.
Branches: FDIC, NCUA. Streets: loading.
5 locations on the map
Tap a cluster to zoom in
Positions are the regulators' own coordinates, or the Census Geocoder's point for the address, and can sit a few hundred feet from the door. Streets, buildings and parks come from OpenStreetMap through OpenFreeMap, with every street named as you zoom in; if that map cannot load, a simpler map drawn from the Census Bureau's TIGER/Line files takes its place. ATMs will follow with the Overture Maps import.
All banks and credit unions in Affton
Sorted by number of local branches. Each branch shows where its hours and phone number come from.
Short answer: 4 banks share the most locations in Affton, with 1 each. 4 banks have a single office in the city. Open any bank to see each address, today's hours where the bank publishes them and the phone number.
CNB St Louis Bank Bank · 1
CNB St Louis Bank has 1 branch in Affton, 6 across Missouri and 6 nationwide. FDIC records list its main office in Maplewood, MO and show it operating since 1915. With $812.9 million in total assets on June 30, 2026, it ranks No. 1,242 of 4,232 U.S. banks by total assets. The Affton Banking Center Branch at 9111 Mackenzie Rd dates to 1992 in FDIC branch records. It does not publish hours in the sources this page uses; check its site before you go.
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Affton Banking Center Branch9111 Mackenzie Rd, 63123
Commerce Bank Bank · 1
Commerce Bank has 1 branch in Affton, 89 across Missouri and 154 nationwide. FDIC records list its main office in Kansas City, MO and show it operating since 1984. With $35.02 billion in total assets on June 30, 2026, it ranks No. 61 of 4,232 U.S. banks by total assets. The Affton Branch at 10185 Gravois Rd dates to 1972 in FDIC branch records. It opens on Saturday.
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Affton Branch10185 Gravois Rd, 63123
All hours
Mon to Fri 9 am to 5 pm; Sat 9 am to 12 pm; Sun not published
Hours: Commerce Bank branch locator (All The Places), checked Oct 10, 2026
Great Southern Bank Bank · 1
Great Southern Bank has 1 branch in Affton, 68 across Missouri and 108 nationwide. FDIC records list its main office in Reeds Spring, MO and show it operating since 1923. With $5.53 billion in total assets on June 30, 2026, it ranks No. 266 of 4,232 U.S. banks by total assets. The Great Southern Bank at 6800 S Rock Hill Rd dates to 2011 in FDIC branch records. It does not publish hours in the sources this page uses; check its site before you go.
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Great Southern Bank6800 S Rock Hill Rd, 63123
Regions Bank Bank · 1
Regions Bank has 1 branch in Affton, 49 across Missouri and 1,256 nationwide. FDIC records list its main office in Birmingham, AL and show it operating since 1928. With $159.79 billion in total assets on June 30, 2026, it ranks No. 27 of 4,232 U.S. banks by total assets. The Lemay Branch at 2582 Lemay Ferry Rd dates to 1985 in FDIC branch records. It does not publish hours in the sources this page uses; check its site before you go.
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Lemay Branch2582 Lemay Ferry Rd, 63125
Scott Credit Union Credit union · 1
Scott Credit Union has 1 office in Affton, 5 across Missouri. It is based in Edwardsville, IL and $1.84 billion in assets on March 31, 2026, according to its NCUA call report. It opens on Saturday.
Who can join: see the credit union's site.
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Affton Branch9100 Gravois Rd, 63123
All hours
Mon to Fri 9 am to 6 pm; Sat 9 am to 12 pm; Sun not published
Hours: NCUA, March 31, 2026
Join a credit union in Affton
1 credit union has 1 office here: Scott Credit Union. Each office is listed above with the phone and the hours it filed with the NCUA (call report as of March 31, 2026). Who can join each one is on its own site; the credit unions in Affton page has every office in the state's directory.
Banking in Affton: the local picture
Short answer: 4 banks run 4 branches in Affton according to the FDIC. A population estimate for this place is not available from the Census Bureau, so branches per resident are not shown.
Of the 4 banks, 0 have their main office in Affton, 3 elsewhere in Missouri and 1 out of state, according to the FDIC.
The bank with the longest record here is CNB St Louis Bank, operating since 1915 according to the FDIC. In FDIC branch records, the longest-running branch is Commerce Bank's office at 10185 Gravois Rd, dating to 1972; the newest is Great Southern Bank's at 6800 S Rock Hill Rd, from 2011.
The only credit union with an office here is Scott Credit Union.
Of the 2 locations with published hours. 2 open on Saturday. 3 locations have no published hours in these sources.
Banks by ZIP code in Affton
Offices grouped by the ZIP code in their FDIC or NCUA record.
Short answer: ZIP 63123 has the most bank and credit union offices in Affton (4), followed by 63125 (1). Offices are spread across 2 ZIP codes.
| ZIP code | Offices | Institutions | Most offices |
|---|---|---|---|
| 63123 | 4 | 4 | CNB St Louis Bank, Commerce Bank, Great Southern Bank |
| 63125 | 1 | 1 | Regions Bank |
Banks and credit unions open on Saturday in Affton
Short answer: 2 of the 2 Affton locations with published hours open on Saturday, run by 2 institutions.
- Commerce Bank: 1 of 1 branch (10185 Gravois Rd: Saturday 9 am to 12 pm)
- Scott Credit Union: 1 of 1 office (9100 Gravois Rd: Saturday 9 am to 12 pm)
Credit union hours are the text each credit union filed with the NCUA, call report as of March 31, 2026; a day the filing does not mention is shown as not published, never as closed. Bank branches show hours only where the bank publishes them in a source this page uses; 3 of the 5 locations here have no published hours yet. The source and date sit under each office. Banks and credit unions often close on Federal Reserve holidays; call ahead.
Chase, Bank of America and other national banks
Which big national banks have branches in Affton, and where the nearest one is if they do not.
Short answer: In Affton: Regions Bank (1). No branches in Affton: Chase (nearest in Saint Louis, 2 mi), Wells Fargo (nearest in Saint Louis, 9 mi), Bank of America (nearest in Saint Louis, 2 mi), PNC Bank (nearest in St. Louis, 2 mi), U.S. Bank (nearest in Saint Louis, 1 mi), Truist, Fifth Third Bank, Huntington (nearest in Saint Louis, 5 mi), TD Bank, BMO (nearest in St. Louis, 2 mi).
| Bank | In Affton | Nearest branch if none here |
|---|---|---|
| Regions Bank | 1 branch | here |
| Chase | None | Saint Louis, 2 miles away |
| Wells Fargo | None | Saint Louis, 9 miles away |
| Bank of America | None | Saint Louis, 2 miles away |
| PNC Bank | None | St. Louis, 2 miles away |
| U.S. Bank | None | Saint Louis, 1 mile away |
| Truist | None | none in Missouri |
| Fifth Third Bank | None | none in Missouri |
| Huntington | None | Saint Louis, 5 miles away |
| TD Bank | None | none in Missouri |
| BMO | None | St. Louis, 2 miles away |
Branch counts from FDIC BankFind as of September 5, 2026. Distances are straight-line miles from the center of Affton to the nearest branch in Missouri.
What your savings could earn
National benchmarks and the best published offers, from the Banrox Bank Rates tracker. Enter your own balance and rate to compare.
Short answer: At the national average savings rate of 0.38%, $10,000 kept in savings for a year earns about $38. The best published savings rate in the tracker, 3.75% at CIT Bank, earns about $375. The national average 12-month CD pays 1.71%.
| Offer | Bank | APY | Term | Minimum |
|---|---|---|---|---|
| Savings | CIT Bank | 3.75% | none | $5,000 |
| Savings | Barclays | 3.50% | none | $0 |
| Savings | Marcus by Goldman Sachs | 3.40% | none | $0 |
| CD | Synchrony Bank | 4.35% | 60 Months | $0 |
| CD | Marcus by Goldman Sachs | 4.35% | 24 Months | $500 |
| CD | American Express National Bank | 4.25% | 10 Months | $0 |
Rates are the banks' published APYs as tracked on the Banrox Bank Rates page, with the date next to each benchmark; they are not offers from Banrox and can change daily. Interest is before tax. The best offers are mostly online banks and are open to Affton residents like anyone else.
Banks near Affton
Nearby cities with at least two banks, by straight-line distance. Counts from FDIC BankFind.
Short answer: The closest towns with more choice are Webster Groves (4 miles) and Sunset Hills (4 miles). Saint Louis, 5 miles away, has the most banks nearby: 47.
| City | Distance | Banks | Branches |
|---|---|---|---|
| Banks in Webster Groves, MO | 4 mi | 7 | 7 |
| Banks in Sunset Hills, MO | 4 mi | 2 | 2 |
| Banks in Saint Louis, MO | 5 mi | 47 | 169 |
| Banks in Kirkwood, MO | 5 mi | 10 | 10 |
| Banks in Glendale, MO | 5 mi | 2 | 2 |
| Banks in Brentwood, MO | 6 mi | 4 | 4 |
| Banks in Richmond Heights, MO | 6 mi | 3 | 3 |
| Banks in Fenton, MO | 7 mi | 9 | 9 |
Bank branch openings and closings in Affton
FDIC branch records, between September 5, 2025 and September 5, 2026.
Short answer: FDIC branch records show no bank branch openings in Affton between September 5, 2025 and September 5, 2026. Closings and relocations are not tracked by the sources this page uses yet.
Largest banks in Affton by total assets
Ranked by each bank's total assets on its FDIC balance sheet, which covers the whole bank, not only its Affton offices.
Short answer: Regions Bank is the largest bank with offices in Affton, with $159.79 billion in total assets on June 30, 2026, No. 27 among U.S. banks by total assets. Commerce Bank is second with $35.02 billion. Local deposit shares will follow once the FDIC Summary of Deposits is imported.
| Bank | Total assets | Rank | Offices here | Main office |
|---|---|---|---|---|
| Regions Bank | $159.79 billion | No. 27 | 1 | Birmingham, AL |
| Commerce Bank | $35.02 billion | No. 61 | 1 | Kansas City, MO |
| Great Southern Bank | $5.53 billion | No. 266 | 1 | Reeds Spring, MO |
| CNB St Louis Bank | $812.9 million | No. 1,242 | 1 | Maplewood, MO |
Total assets and ranks from FDIC BankFind as of June 30, 2026. Rank is among active banks that report total assets to the FDIC.
Banks in Affton: FAQ
How many banks are in Affton, MO?
Affton has 4 banks with 4 branches and 1 credit union with 1 office, according to FDIC data as of September 5, 2026 and NCUA data as of March 31, 2026.
Which bank has the most branches in Affton?
Regions Bank, with 1. Commerce Bank has 1 and Great Southern Bank has 1.
Is there a Regions Bank in Affton, MO?
Yes. FDIC data lists 1 Regions Bank branch in Affton as of September 5, 2026. The address and directions are under Regions Bank above.
Is there a Commerce Bank in Affton, MO?
Yes. FDIC data lists 1 Commerce Bank branch in Affton as of September 5, 2026. The address and directions are under Commerce Bank above.
Is there a Great Southern Bank in Affton, MO?
Yes. FDIC data lists 1 Great Southern Bank branch in Affton as of September 5, 2026. The address and directions are under Great Southern Bank above.
Is there a Chase in Affton, MO?
No. FDIC data lists no Chase branch in Affton as of September 5, 2026. The nearest is in Saint Louis, about 2 miles away in a straight line.
Which banks in Affton are open on Saturday?
Commerce Bank and Scott Credit Union publish Saturday hours for one or more Affton locations. The Saturday section above lists each one with its hours. 3 of the 5 locations here do not publish hours in the sources this page uses; call ahead.
What is the oldest bank in Affton?
CNB St Louis Bank has the longest record among banks with a branch here: the FDIC shows it operating since 1915.
Which credit unions can I join in Affton?
Scott Credit Union has an office in Affton. Check each credit union's membership rules before you apply.
Did any bank branches open or close in Affton in the past year?
FDIC branch records show no branch openings between September 5, 2025 and September 5, 2026. Closings and relocations are not tracked by the sources this page uses yet.
Where can I find more banks near Affton?
Nearby cities with more banks include Webster Groves, Sunset Hills, Saint Louis. Webster Groves is 4 miles away with 7 banks.
How we build this page
Every figure above comes from one of these sources. Nothing is typed by hand, nothing is estimated.
| Data | Source | License | Updated | Data as of |
|---|---|---|---|---|
| FDIC-insured banks: branches, main offices, total assets, dates established | FDIC BankFind Suite API | Public data (U.S. government) | Monthly import | Sep 5, 2026 |
| Credit union offices, phones and hours as filed with the NCUA, total assets | NCUA call report data | Public data (U.S. government) | Quarterly import | Mar 31, 2026 |
| Map coordinates of 1 credit union offices whose NCUA record has none, from the office address | U.S. Census Bureau Geocoder | Public data (U.S. government) | With each NCUA import | Oct 19, 2026 |
| Bank branch hours, phones and branch pages (1 of 4 branches: Commerce Bank) | The banks' own branch locators, collected by All The Places | CC0 (All The Places data); each bank's locator is the primary source | Weekly spider run, monthly refresh here | Oct 10, 2026 |
| Savings and CD rates, national averages | Banrox Bank Rates | Banrox, from the banks' own rate pages and FDIC national rates | Weekly | see each rate |
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