The Exxon Building (formerly the Humble Building) was built in 1963 in Houston, Texas (USA). Texas ( is a state geographically located in the South Central United States and is also known as the Lone Star State. The United States of America —commonly referred to as the At that time it was the tallest building west of the Mississippi River at 606 feet (185 m), surpassing the Smith Tower in Seattle, Washington (the previous record holder) by 132 feet (40 m). The Mississippi River is the second longest River in the United States, with a length of from its source in Lake Itasca in Minnesota to The Smith Tower, located in Pioneer Square, is the oldest Skyscraper in Seattle Washington. Washington ( is a state in the Pacific Northwest region of the United States. It only remained the tallest building west of the Mississippi until 1965, when Elm Place was built in Dallas, Texas. Elm Place is a Skyscraper located at 1401 Elm in the Main Street District of downtown Dallas, Texas ( USA) Texas ( is a state geographically located in the South Central United States and is also known as the Lone Star State.
Currently, the JPMorgan Chase Tower completed in 1982 is Houston's tallest building at 1,002 feet (305 m). The 75-story 1002-foot (3054 m tall JPMorgan Chase Tower of Houston, Texas, formerly the Texas Commerce Tower, is the
| Preceded by JPMorgan Chase Building (Houston 1929) |
Tallest Building in Houston 1963—1974 185 m |
Succeeded by One Shell Plaza |
| Preceded by Gables Republic Tower |
Tallest Building in Texas 1963—1964 185 m |
Succeeded by Elm Place |
| Preceded by Gables Republic Tower |
Tallest building west of the Mississippi 1963—1964 185 m |
Succeeded by Elm Place |