| Business | Phone |
| Bank Iowa 1805 N Broadway St, Red Oak 51566 | (712) 623-6960 |
| Houghton State Bank 116 E Coolbaugh St, Red Oak 51566 | (712) 623-4823 |
| Houghton State Bank 1609 N Broadway St, Red Oak 51566 | (712) 623-8882 |
| Security State Bank 501 E Coolbaugh St, Red Oak 51566 | (712) 623-6370 |
| Tier One Bank 802 N Broadway St, Red Oak 51566 | (712) 623-5464 |
| Us Bank 323 E Reed St, Red Oak 51566 | (712) 623-4828 |