NCUA-insured credit union

Endurance — Duncan, OK

Credit Union headquartered in Duncan, Oklahoma.
Source: NCUA call report data, data as of March 31, 2026, fetched September 5, 2026
Total assets
$197.79 million
Branches
4
NCUA-insured since
1971
Established
1960

Headquarters and contact

Address2019 N Highway 81
Duncan, OK 73533
CountyStephens
Websitenot published in NCUA data
Phone(580) 255-3550

NCUA record

NCUA Charter13898
Federal Reserve RSSD ID564584
StatusActive
Charter type1 (NCUA)
Financials as ofMarch 31, 2026

How to find your Endurance 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

Corporate Office main office
Duncan, OK
2019 N Highway 81, 73533
(580) 255-3550
9-5 Monday through Friday
North-3675 N. Hwy. 81
Duncan, OK
3675 N Highway 81, 73533
(580) 251-9071
Monday-Friday 7:30 a.m.-6:00 p.m. Saturday 8:30 a.m.-12:00 p.m.
Elk City-105 Reginal Drive
Elk City, OK
105 Regional Dr, 73644
(580) 225-2690
Monday-Friday 9:00 AM to 6:00 PMClosed 1:15 to 2:15 for Lunch
Weatherford
Weatherford, OK
1505 E Main St Ste 102, 73096
(580) 375-4031
M-F 9-5

Where Endurance has offices

Cities with the most Endurance offices

Largest credit unions headquartered elsewhere in Oklahoma

Tinker Oklahoma City$6.13 billion
Ttcu Tulsa$2.70 billion
Communication Oklahoma City$2.34 billion
Weokie Oklahoma City$1.49 billion
Truity Bartlesville$1.30 billion
Westreet Tulsa$968.07 million
Oklahoma's Oklahoma City$945.46 million
True Sky Oklahoma City$797 million
Compare before you open an account: today's CD and savings rates, the CD calculator and the savings calculator.