| Relationships | Role | Relationship Start | Relationship End |
| Zions Bancorporation | Parent | 6/8/1971 | 12/30/1986 |
| Zions Utah Bancorporation | Parent | 12/31/1970 | 6/7/1971 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Zb, National Association | Buyer | 60,877,956 | Discontinued | 12/31/1986 |