GREAT WESTERN BANK
Routing Number: 304971987
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
What's the purpose of the check's magnetic ink character recognition (MICR) line?
How can I check if a routing number is valid?
How do I find my bank's routing number online?
Where can I find my bank's routing number?
How do I find the routing number for a credit union?
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

Can I apply for a mortgage at Citibank Online? or they just in the credit card business?
Read More
It varies from bank to bank and country to country. You can call Prosperity at 800-531-1401 for more information.
Read More
I need to enter my savings account. I do not have a checking account with this credit union.
Read More