US Bank Directory
Banks in Mermentau, LA
1 FDIC-insured bank operates 1 office in Mermentau, Louisiana.
Source: FDIC BankFind, data as of September 5, 2026.
Bank branch map: Mermentau
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: 1 institution operates 1 location in Mermentau, according to the FDIC. 1 of them has coordinates on record and is on the map. ATMs and opening hours are not in the sources this page uses yet; each marker links to directions.
Branches: FDIC, NCUA. Streets: loading.
1 location 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 in Mermentau
Sorted by number of local branches. Each branch shows where its hours and phone number come from.
Short answer: Bank of Commerce & Trust Co. is the only bank with an office in Mermentau. Open any bank to see each address, today's hours where the bank publishes them and the phone number.
Bank of Commerce & Trust Co. Bank · 1
Bank of Commerce & Trust Co. has 1 branch in Mermentau, 5 across Louisiana and 5 nationwide. FDIC records list its main office in Crowley, LA and show it operating since 1926. With $377.9 million in total assets on June 30, 2026, it ranks No. 2,164 of 4,232 U.S. banks by total assets. The Mermentau Branch at 107 7th St dates to 1980 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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Mermentau Branch107 7th St, 70556
Banking in Mermentau: the local picture
Short answer: 1 bank runs 1 branch in Mermentau according to the FDIC. A population estimate for this place is not available from the Census Bureau, so branches per resident are not shown.
Bank of Commerce & Trust Co. has its main office in Crowley, LA, according to the FDIC.
The bank with the longest record here is Bank of Commerce & Trust Co., operating since 1926 according to the FDIC.
The one location here does not publish hours in the sources this page uses. Each branch links to the bank's own site.
Chase, Bank of America and other national banks
Which big national banks have branches in Mermentau, and where the nearest one is if they do not.
Short answer: No branches in Mermentau: Chase (nearest in Scott, 29 mi), Wells Fargo, Bank of America, PNC Bank, U.S. Bank, Truist, Fifth Third Bank, Huntington (nearest in Lafayette, 32 mi), Regions Bank (nearest in Lafayette, 32 mi), TD Bank, BMO.
| Bank | In Mermentau | Nearest branch if none here |
|---|---|---|
| Chase | None | Scott, 29 miles away |
| Wells Fargo | None | none in Louisiana |
| Bank of America | None | none in Louisiana |
| PNC Bank | None | none in Louisiana |
| U.S. Bank | None | none in Louisiana |
| Truist | None | none in Louisiana |
| Fifth Third Bank | None | none in Louisiana |
| Huntington | None | Lafayette, 32 miles away |
| Regions Bank | None | Lafayette, 32 miles away |
| TD Bank | None | none in Louisiana |
| BMO | None | none in Louisiana |
Branch counts from FDIC BankFind as of September 5, 2026. Distances are straight-line miles from the center of Mermentau to the nearest branch in Louisiana.
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 Mermentau residents like anyone else.
Banks near Mermentau
Nearby cities with at least two banks, by straight-line distance. Counts from FDIC BankFind.
Short answer: The closest towns with more choice are Jennings (5 miles) and Lake Arthur (9 miles). Jennings, 5 miles away, has the most banks nearby: 6.
| City | Distance | Banks | Branches |
|---|---|---|---|
| Banks in Jennings, LA | 5 mi | 6 | 7 |
| Banks in Lake Arthur, LA | 9 mi | 2 | 2 |
| Banks in Iota, LA | 11 mi | 2 | 2 |
| Banks in Gueydan, LA | 12 mi | 2 | 2 |
| Banks in Crowley, LA | 13 mi | 6 | 7 |
| Banks in Welsh, LA | 15 mi | 3 | 3 |
| Banks in Rayne, LA | 19 mi | 4 | 5 |
| Banks in Kaplan, LA | 22 mi | 2 | 4 |
Bank branch openings and closings in Mermentau
FDIC branch records, between September 5, 2025 and September 5, 2026.
Short answer: FDIC branch records show no bank branch openings in Mermentau between September 5, 2025 and September 5, 2026. Closings and relocations are not tracked by the sources this page uses yet.
Largest banks in Mermentau by total assets
Ranked by each bank's total assets on its FDIC balance sheet, which covers the whole bank, not only its Mermentau offices.
Short answer: Bank of Commerce & Trust Co. is the largest bank with offices in Mermentau, with $377.9 million in total assets on June 30, 2026, No. 2,164 among U.S. banks by total assets. Local deposit shares will follow once the FDIC Summary of Deposits is imported.
| Bank | Total assets | Rank | Offices here | Main office |
|---|---|---|---|---|
| Bank of Commerce & Trust Co. | $377.9 million | No. 2,164 | 1 | Crowley, LA |
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 Mermentau: FAQ
How many banks are in Mermentau, LA?
Mermentau has 1 bank with 1 branch, according to FDIC data as of September 5, 2026.
Is there a Bank of Commerce & Trust Co. in Mermentau, LA?
Yes. FDIC data lists 1 Bank of Commerce & Trust Co. branch in Mermentau as of September 5, 2026. The address and directions are under Bank of Commerce & Trust Co. above.
Is there a Chase in Mermentau, LA?
No. FDIC data lists no Chase branch in Mermentau as of September 5, 2026. The nearest is in Scott, about 29 miles away in a straight line.
What is the oldest bank in Mermentau?
Bank of Commerce & Trust Co. has the longest record among banks with a branch here: the FDIC shows it operating since 1926.
Did any bank branches open or close in Mermentau 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 Mermentau?
Nearby cities with more banks include Jennings, Lake Arthur, Iota. Jennings is 5 miles away with 6 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 |
| 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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