| Height: Architectural | 157 m / 515 ft |
| Height: To Tip | 157 m / 515 ft |
| Floors Above Ground | 38 |
| Floors Below Ground | 1 |
| Official Name | Twin 21 National Tower |
| Name of Complex | Twin 21 Towers |
| Other Names | Twin 21 OBP Panasonic Tower |
| Structure Type | Building |
| Status | Completed |
| Country | Japan |
| City | Osaka |
| Street Address & Map | 2-1-61 Shiromi |
| Postal Code | 540-6290 |
| Building Function | office |
| Structural Material | composite |
| Completion | 1986 |
Rankings Click arrows to view the next taller/shorter buildings |
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| City Ranking | #27 Tallest in Osaka |
| Architect | |
| • Design | NIKKEN SEKKEI LTD |
| Structural Engineer | |
| • Design | NIKKEN SEKKEI LTD |
| Main Contractor | Taisei Corporation |
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