GREAT WESTERN BANK
Routing Number: 073900975
100 NORTH PHILIPS AVENUE
SIOUX FALLS, SD 57104-0000
(605) 334-2548
3510 West Sturgis Road
Rapid City, SD 57701
1200 Lacrosse Street
Rapid City, SD 57701
106 East 7th Ave
Redfield, SD 57469
Main Street
Rosholt, SD 57260
3405 South Sycamore Avenue
Sioux Falls, SD 57103
200 East 10th Street
Sioux Falls, SD 57104
5100 West 26th Street
Sioux Falls, SD 57110
2101 W. 41st Street, Suite 10
Sioux Falls, SD 57105
234 North Sycamore Avenue
Sioux Falls, SD 57110
3209 South Louise Avenue
Sioux Falls, SD 57106
5000 South Louise Avenue
Sioux Falls, SD 57108
5521 E. 12th Street Office
Sioux Falls, SD 57110
510 Main Street
Spearfish, SD 57783
2825 1st Avenue
Spearfish, SD 57783
Highways 212 And 81
Watertown, SD 57201
35 1st Avenue, N.E.
Watertown, SD 57201
1201 29th Street Se
Watertown, SD 57201
1301 Main Street
Webster, SD 57274
Can I use my ABA routing number for ACH transfers?
What is the difference between ABA routing numbers and IBANs?
Is it safe to share my ABA routing number with others?
Frequently asked questions (FAQs) related to bank routing numbers and bank routing information:
frequently asked questions (FAQs) about Bank ABA routing numbers and their purposes:
Frequently asked questions (FAQs) about international bank routing codes

Bank of America California users use 026009593 for wire transfer. Call BAC at 800-432-1000 to confirm.
Read More
How can I get access to the wire confirmations via Associated Connect application?
Read More

Goto their website and also check out their Rewards CDs and your Personal Money Market account.
Read More