Our Locations

1NB Branches

*COMING Spring 2023* Edmond Banking Center

Physical Address:

1763 W 33rd St Suite 120, Edmond, OK 73013

Phone Number: (405) 856-1010

Ardmore Main Branch

Physical Address:

405 W Main St, Ardmore, OK 73401

Mailing Address:

P.O. Box 69, Ardmore, OK 73401

Phone Number: (580) 223-1111

Toll-Free Number: 1-800-863-2665

Fax: (580) 221-1139

ATM: Drive Up

Lobby Hours: Monday–Friday 9:00 AM–4:00 PM

Drive-In Hours: Monday–Friday 7:30 AM–6:00 PM, Saturday 8:00 AM–12:00 PM

Ardmore 12th Street Branch and Mortgage Center

Physical & Mailing Address:

1402 12th Street NW, Ardmore, OK 73401

Phone Number: (580) 221-5181

Fax: (580) 221-5184

ATM: Drive Up

Lobby Hours: Monday–Friday 9:00 AM–4:00 PM

Drive-In Hours: Monday–Friday 7:30 AM–6:00 PM, Saturday 8:00 AM–12:00 PM

Ardmore Broadway Branch

Physical Address:

1226 W Broadway St, Ardmore, OK 73401

Mailing Address:

P.O. Box 69, Ardmore, OK 73401

Phone Number: (580) 226-3220

Fax: (580) 226-3702

ATM: Drive Up

Lobby Hours: Monday–Friday 9:00 AM–4:00 PM

Drive-In Hours: Monday–Friday 7:30 AM–6:00 PM, Saturday 8:00 AM–12:00 PM

Lone Grove Branch

Physical Address:

17055 US Hwy 70, Lone Grove, OK 73443

Mailing Address:

P.O. Box 1500, Lone Grove, OK 73443

Phone Number: (580) 657-3161

Fax: (580) 657-3703

ATM: Drive Up

Lobby Hours: Monday–Friday 9:00 AM–4:00 PM

Drive-In Hours: Monday–Friday 7:30 AM–5:30 PM, Saturday 8:00 AM–12:00 PM

Madill Branch

Physical Address:

401 S 1st St, Madill, OK 73446

Mailing Address:

P.O. Box 800, Madill, OK 73446

Phone Number: (580) 795-5555

Fax: (580) 221-1139

ATM: Drive Up

Lobby Hours: Monday–Friday 9:00 AM–4:00 PM

Drive-In Hours: Monday–Friday 7:30 AM–5:30 PM, Saturday 8:00 AM–12:00 PM

Marietta Branch

Physical Address:

1101 Memorial Dr, Marietta, OK 73448

Mailing Address:

P.O. Box 10, Marietta, OK 73448

Phone Number: (580) 276-9494

Fax: (580) 276-5544

ATM: Drive Up

Lobby Hours: Monday–Friday 9:00 AM–4:00 PM

Drive-In Hours: Monday–Friday 7:30 AM–5:30 PM, Saturday 8:00 AM–12:00 PM

Norman Financial Center

Physical & Mailing Address:

716 Wall St, Norman, OK 73069

Phone Number: (405) 321-LOAN

ATM: None

Lobby Hours: Monday–Friday 9:00 AM–4:00 PM, Closed 12:00–1:00 PM for Lunch

Ringling Branch

Physical Address:

125 West Main St, Ringling, OK 73456

Mailing Address:
P.O. Box 606, Ringling, OK 73456

Phone Number: (580) 662-2333

Fax: (580) 662-3158

ATM: Located on north side of bank

Lobby Hours: Monday–Friday 9:00 AM–4:00 PM

Drive-In Hours: Monday–Friday 7:30 AM–5:30 PM, Saturday 8:00 AM–12:00 PM

Sulphur Branch

Physical Address:

2013 West Broadway Ave, Sulphur, OK 73086

Mailing Address:

P.O. Box 341, Sulphur, OK 73086

Phone Number: (580) 622-6007

Fax: (580) 622-6016

ATM: Drive Up

Lobby Hours: Monday–Friday 9:00 AM–4:00 PM

Drive-In Hours: Monday–Friday 7:30 AM–5:30 PM, Saturday 8:30 AM–12:00 PM

Velma Branch

Physical Address:

319 Main St, Velma, OK 73491

Mailing Address:

P.O. Box 309, Velma, OK 73491

Phone Number: (580) 444-3333

ATM: Located in foyer of bank

Lobby Hours: Monday–Friday 9:00 AM–4:00 PM

Drive-In Hours: Monday–Friday 8:30 AM–5:30 PM

ATM Only Locations

OK One Stop

Address: 2500 W Broadway, Ardmore, OK 73401

Speedy G’s

Address: 102 Purdue Ave, Velma, OK 73491

1NB Has Your Back

Need some assistance? The financial professionals at 1NB are here to help.
1NB Logo White
Main Branch:
405 West Main Street
Ardmore, OK 73401
Helpful Support Numbers

Lost/Stolen Debit Card: 1-800-523-4175
Debit/ATM Card Activation: 1-866-985-2273
PIN Change: 1-866-985-2273