US Bank Directory

Banks in Duncan, OK

7 FDIC-insured banks operate 13 offices in Duncan, Oklahoma, and 3 credit unions have 4 offices.

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: Duncan

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: 10 banks and credit unions operate 17 locations in Duncan, according to the FDIC and the NCUA. 15 of them have coordinates on record and are on the map. 5 publish opening hours.

BankCredit unionMain office

Branches: FDIC, NCUA. Streets: loading.

15 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 Duncan

Sorted by number of local branches. Each branch shows where its hours and phone number come from.

Short answer: Arvest, BancFirst and First Bank & Trust Co. have the most locations in Duncan, with 3 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.

Arvest Arvest Bank · 3 branches · main office Fayetteville, AR Bank · 3

Arvest has 3 branches in Duncan, 79 across Oklahoma and 228 nationwide. FDIC records list its main office in Fayetteville, AR and show it operating since 1871. With $28.05 billion in total assets on June 30, 2026, it ranks No. 77 of 4,232 U.S. banks by total assets. In FDIC branch records, its longest-running Duncan location is the Duncan Branch at 729 W Main St, dating to 1921; the newest, at 3775 N Highway 81, to 2004. Its published hours do not list Saturday.

  • North Highway 81 Branch
    3775 N Highway 81, 73533
    Hours: see the bank's site
  • Duncan Branch
    729 W Main St, 73533
    (580) 255-7121Today 8 am to 5 pm
    All hours

    Mon to Fri 8 am to 5 pm; Sat to Sun not published

    Hours: Arvest branch locator (All The Places), checked Oct 10, 2026

  • Detached Drive-In Branch
    8th And Walnut, 73533
    Hours: see the bank's site
Arvest: profile, branches and contacts
BancFirst 3 branches · main office Oklahoma City, OK Bank · 3

BancFirst has 3 branches in Duncan, 120 across Oklahoma and 123 nationwide. FDIC records list its main office in Oklahoma City, OK and show it operating since 1989. With $12.80 billion in total assets on June 30, 2026, it ranks No. 139 of 4,232 U.S. banks by total assets. In FDIC branch records, its longest-running Duncan location is the Duncan Branch at 16 S 9th St, dating to 1918; the newest, at 1616 W Elk Ave, to 1983. It does not publish hours in the sources this page uses; check its site before you go.

BancFirst: profile, branches and contacts
First Bank & Trust Co. 3 branches · main office Duncan, OK Bank · 3

First Bank & Trust Co. has 3 branches in Duncan, 14 across Oklahoma and 14 nationwide. FDIC records list its main office in Duncan, OK and show it operating since 1988. With $952.1 million in total assets on June 30, 2026, it ranks No. 1,090 of 4,232 U.S. banks by total assets. In FDIC branch records, its longest-running Duncan location is the Drive-In Branch at 10th And Oak Streets, dating to 1974; the newest, at 923 W Main St, to 1988. It does not publish hours in the sources this page uses; check its site before you go.

  • Main Office main office
    923 W Main St, 73533
    Hours: see the bank's site
  • Drive-In Branch
    10th And Oak Streets, 73533
    Hours: see the bank's site
  • Duncan Branch
    1521 W Plato Rd, 73533
    Hours: see the bank's site
First Bank & Trust Co.: profile, branches and contacts
Endurance Credit Union 2 offices · main office Duncan, OK Credit union · 2

Endurance Credit Union has 2 officees in Duncan, 4 across Oklahoma. It is based in Duncan, OK and $197.8 million in assets on March 31, 2026, according to its NCUA call report. 1 of its 2 Duncan locations with published hours open on Saturday.

Who can join: see the credit union's site.

  • Main Office main office
    2019 N Highway 81, 73533
    (580) 255-3550Today 9 am to 5 pm
    All hours

    Mon to Fri 9 am to 5 pm; Sat to Sun not published

    Hours: NCUA, March 31, 2026

  • North-3675 N. Hwy. 81
    3675 N Highway 81, 73533
    (580) 251-9071Today 7:30 am to 6 pm
    All hours

    Mon to Fri 7:30 am to 6 pm; Sat 8:30 am to 12 pm; Sun not published

    Hours: NCUA, March 31, 2026

Endurance Credit Union: profile, branches and contacts
Bank of Commerce 1 branch · main office Duncan, OK Bank · 1

Bank of Commerce has 1 branch in Duncan, 6 across Oklahoma and 6 nationwide. FDIC records list its main office in Duncan, OK and show it operating since 2002. With $334.0 million in total assets on June 30, 2026, it ranks No. 2,328 of 4,232 U.S. banks by total assets. Its main office at 1601 Commerce St dates to 2002 in FDIC branch records. It does not publish hours in the sources this page uses; check its site before you go.

  • Main Office main office
    1601 Commerce St, 73533
    Hours: see the bank's site
Bank of Commerce: profile, branches and contacts
International Bank of Commerce 1 branch · main office Oklahoma City, OK Bank · 1

International Bank of Commerce has 1 branch in Duncan, 40 across Oklahoma and 41 nationwide. FDIC records list its main office in Oklahoma City, OK and show it operating since 2017. With $1.63 billion in total assets on June 30, 2026, it ranks No. 691 of 4,232 U.S. banks by total assets. The Duncan Highway 81 Branch at 2311 N Highway 81 dates to 2009 in FDIC branch records. It does not publish hours in the sources this page uses; check its site before you go.

  • Duncan Highway 81 Branch
    2311 N Highway 81, 73533
    Hours: see the bank's site
International Bank of Commerce: profile, branches and contacts
Legacy Bank 1 branch · main office Hinton, OK Bank · 1

Legacy Bank has 1 branch in Duncan, 10 across Oklahoma and 10 nationwide. FDIC records list its main office in Hinton, OK and show it operating since 1902. With $686.5 million in total assets on June 30, 2026, it ranks No. 1,397 of 4,232 U.S. banks by total assets. The Duncan Branch at 3696 N Highway 81 dates to 1901 in FDIC branch records. It does not publish hours in the sources this page uses; check its site before you go.

  • Duncan Branch
    3696 N Highway 81, 73533
    Hours: see the bank's site
Legacy Bank: profile, branches and contacts
Oklahoma Educators Credit Union 1 office · main office Oklahoma City, OK Credit union · 1

Oklahoma Educators Credit Union has 1 office in Duncan, 7 across Oklahoma. It is based in Oklahoma City, OK and $315.3 million in assets on March 31, 2026, according to its NCUA call report. Its published hours do not list Saturday.

Who can join: see the credit union's site.

  • Duncan Branch
    1006 W Main St, 73533
    (405) 722-2234Today 8 am to 5 pm
    All hours

    Mon to Fri 8 am to 5 pm; Sat to Sun not published

    Hours: NCUA, March 31, 2026

Oklahoma Educators Credit Union: profile, branches and contacts
The City National Bank and Trust Company of Lawton, Oklahoma 1 branch · main office Lawton, OK Bank · 1

The City National Bank and Trust Company of Lawton, Oklahoma has 1 branch in Duncan, 37 across Oklahoma and 39 nationwide. FDIC records list its main office in Lawton, OK and show it operating since 1901. With $446.2 million in total assets on June 30, 2026, it ranks No. 1,932 of 4,232 U.S. banks by total assets. The Duncan Branch at 1845 N Hw 81 dates to 2000 in FDIC branch records. It does not publish hours in the sources this page uses; check its site before you go.

The City National Bank and Trust Company of Lawton, Oklahoma: profile, branches and contacts
Velma Credit Union 1 office · main office Velma, OK Credit union · 1

Velma Credit Union has 1 office in Duncan, 1 across Oklahoma. It is based in Velma, OK and $3.0 million in assets on March 31, 2026, according to its NCUA call report. Its published hours do not list Saturday.

Who can join: see the credit union's site.

  • Main Office main office
    297655 E Old Hwy 7 Rd, 73533
    (580) 444-3396Today 8:30 am to 4 pm
    All hours

    Mon to Thu 8:30 am to 4 pm; Fri to Sun not published

    Hours: NCUA, March 31, 2026

Velma Credit Union: profile, branches and contacts

Join a credit union in Duncan

3 credit unions have 4 offices here: Endurance Credit Union, Oklahoma Educators Credit Union and Velma 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 Duncan page has every office in the state's directory.

Banking in Duncan: the local picture

Short answer: 7 banks run 13 branches in Duncan 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 7 banks, 2 have their main office in Duncan, 4 elsewhere in Oklahoma and 1 out of state, according to the FDIC.

The bank with the longest record here is Arvest, operating since 1871 according to the FDIC. In FDIC branch records, the longest-running branch is Legacy Bank's office at 3696 N Highway 81, dating to 1901; the newest is International Bank of Commerce's at 2311 N Highway 81, from 2009.

3 credit unions have 4 offices in Duncan, according to the NCUA. Who can join each one is on the credit unions page.

Of the 5 locations with published hours. 1 opens on Saturday. 12 locations have no published hours in these sources.

Credit unions open on Saturday in Duncan

Short answer: 1 of the 5 Duncan locations with published hours opens on Saturday, run by 1 institution.

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; 12 of the 17 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 Duncan, and where the nearest one is if they do not.

Short answer: No branches in Duncan: Chase (nearest in Norman, 56 mi), Wells Fargo, Bank of America (nearest in Norman, 56 mi), PNC Bank, U.S. Bank, Truist, Fifth Third Bank, Huntington, Regions Bank, TD Bank, BMO (nearest in Ardmore, 52 mi).

BankIn DuncanNearest branch if none here
ChaseNoneNorman, 56 miles away
Wells FargoNonenone in Oklahoma
Bank of AmericaNoneNorman, 56 miles away
PNC BankNonenone in Oklahoma
U.S. BankNonenone in Oklahoma
TruistNonenone in Oklahoma
Fifth Third BankNonenone in Oklahoma
HuntingtonNonenone in Oklahoma
Regions BankNonenone in Oklahoma
TD BankNonenone in Oklahoma
BMONoneArdmore, 52 miles away

Branch counts from FDIC BankFind as of September 5, 2026. Distances are straight-line miles from the center of Duncan to the nearest branch in Oklahoma.

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%.

Fed Funds Target Range3.75% - 4.00%FOMC, Sep 16 2026
30-Yr Fixed Mortgage Avg6.76%Freddie Mac PMMS, Sep 10 2026
15-Yr Fixed Mortgage Avg6.09%Freddie Mac PMMS, Sep 10 2026
Avg Credit Card APR22.15%Fed G.19, accounts assessed interest, Q2 2026
Best 12-Month CD4.25%Barclays and Popular Direct, Sep 16 2026
Best High-Yield Savings3.95%Bread Savings, Sep 16 2026

One year at this rate earns about $0; at the best published savings rate (3.75%) about $0.

OfferBankAPYTermMinimum
SavingsCIT Bank3.75%none$5,000
SavingsBarclays3.50%none$0
SavingsMarcus by Goldman Sachs3.40%none$0
CDSynchrony Bank4.35%60 Months$0
CDMarcus by Goldman Sachs4.35%24 Months$500
CDAmerican Express National Bank4.25%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 Duncan residents like anyone else.

Banks near Duncan

Nearby cities with at least two banks, by straight-line distance. Counts from FDIC BankFind.

Short answer: The closest towns with more choice are Marlow (9 miles) and Comanche (10 miles). Lawton, 27 miles away, has the most banks nearby: 8.

Bank branch openings and closings in Duncan

FDIC branch records, between September 5, 2025 and September 5, 2026.

Short answer: FDIC branch records show no bank branch openings in Duncan between September 5, 2025 and September 5, 2026. Closings and relocations are not tracked by the sources this page uses yet.

Banks and credit unions based in Duncan

Short answer: 3 institutions have their main office in Duncan: First Bank & Trust Co., Endurance Credit Union and Bank of Commerce.

InstitutionTypeTotal assets, June 30, 2026Offices here
First Bank & Trust Co.Bank$952.1 million3
Endurance Credit UnionCredit union$197.8 million2
Bank of CommerceBank$334.0 million1

Banks: FDIC BankFind (community-bank flag and assets). Credit unions: NCUA call report.

Largest banks in Duncan by total assets

Ranked by each bank's total assets on its FDIC balance sheet, which covers the whole bank, not only its Duncan offices.

Short answer: Arvest is the largest bank with offices in Duncan, with $28.05 billion in total assets on June 30, 2026, No. 77 among U.S. banks by total assets. BancFirst is second with $12.80 billion. 2 of the 7 banks are headquartered here. Local deposit shares will follow once the FDIC Summary of Deposits is imported.

BankTotal assetsRankOffices hereMain office
Arvest$28.05 billionNo. 773Fayetteville, AR
BancFirst$12.80 billionNo. 1393Oklahoma City, OK
International Bank of Commerce$1.63 billionNo. 6911Oklahoma City, OK
First Bank & Trust Co.$952.1 millionNo. 1,0903Duncan, OK
Legacy Bank$686.5 millionNo. 1,3971Hinton, OK
The City National Bank and Trust Company of Lawton, Oklahoma$446.2 millionNo. 1,9321Lawton, OK
Bank of Commerce$334.0 millionNo. 2,3281Duncan, OK

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 Duncan: FAQ

How many banks are in Duncan, OK?

Duncan has 7 banks with 13 branches and 3 credit unions with 4 offices, according to FDIC data as of September 5, 2026 and NCUA data as of March 31, 2026.

Which bank has the most branches in Duncan?

Arvest, with 3. BancFirst has 3 and First Bank & Trust Co. has 3.

Is there a Arvest in Duncan, OK?

Yes. FDIC data lists 3 Arvest branches in Duncan as of September 5, 2026. Its branches are listed under Arvest above, with the address and directions for each.

Is there a BancFirst in Duncan, OK?

Yes. FDIC data lists 3 BancFirst branches in Duncan as of September 5, 2026. Its branches are listed under BancFirst above, with the address and directions for each.

Is there a First Bank & Trust Co. in Duncan, OK?

Yes. FDIC data lists 3 First Bank & Trust Co. branches in Duncan as of September 5, 2026, the main office at 923 W Main St. Its branches are listed under First Bank & Trust Co. above, with the address and directions for each.

Is there a Chase in Duncan, OK?

No. FDIC data lists no Chase branch in Duncan as of September 5, 2026. The nearest is in Norman, about 56 miles away in a straight line.

Which banks in Duncan are open on Saturday?

Endurance Credit Union publishes Saturday hours for one or more Duncan locations. The Saturday section above lists each one with its hours. 12 of the 17 locations here do not publish hours in the sources this page uses; call ahead.

Which banks are headquartered in Duncan?

First Bank & Trust Co., Endurance Credit Union and Bank of Commerce have their main office in Duncan, according to the FDIC and the NCUA.

What is the oldest bank in Duncan?

Arvest has the longest record among banks with a branch here: the FDIC shows it operating since 1871.

Which credit unions can I join in Duncan?

Endurance Credit Union, Oklahoma Educators Credit Union and Velma Credit Union have offices in Duncan. Check each credit union's membership rules before you apply.

Did any bank branches open or close in Duncan 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 Duncan?

Nearby cities with more banks include Marlow, Comanche, Waurika. Marlow is 9 miles away with 3 banks.

How we build this page

Every figure above comes from one of these sources. Nothing is typed by hand, nothing is estimated.

DataSourceLicenseUpdatedData as of
FDIC-insured banks: branches, main offices, total assets, dates establishedFDIC BankFind Suite APIPublic data (U.S. government)Monthly importSep 5, 2026
Credit union offices, phones and hours as filed with the NCUA, total assetsNCUA call report dataPublic data (U.S. government)Quarterly importMar 31, 2026
Map coordinates of 2 credit union offices whose NCUA record has none, from the office addressU.S. Census Bureau GeocoderPublic data (U.S. government)With each NCUA importOct 19, 2026
Bank branch hours, phones and branch pages (1 of 13 branches: Arvest)The banks' own branch locators, collected by All The PlacesCC0 (All The Places data); each bank's locator is the primary sourceWeekly spider run, monthly refresh hereOct 10, 2026
Savings and CD rates, national averagesBanrox Bank RatesBanrox, from the banks' own rate pages and FDIC national ratesWeeklysee each rate

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