Regions Center, Office building in Little Rock, Arkansas

Regions Center is a 30-story skyscraper at 400 West Capitol Avenue in downtown Little Rock, Arkansas. Completed in 1975, it rises 454 feet (138 m) and holds 556,975 square feet of floor space. It was the tallest building in Arkansas until the Simmons Tower surpassed it in 1986.

The building was constructed in 1975 as the First National-Southern Natural Building and underwent several name changes following corporate mergers. It became known as Regions Center in 2006 after financial industry consolidations altered ownership and corporate identity.

Regions Bank has occupied the tower since its completion in 1975, and the building carries the bank's name after the 2006 sale to a limited liability company. Its 30 floors and 454-foot height made it the tallest building in Arkansas until 1986, when the Simmons Tower surpassed it.

Regions Center stands at 400 West Capitol Avenue in downtown Little Rock, a short walk from the Arkansas State Capitol along Capitol Avenue. The tower is an office building, so visitors see it from the street and surrounding blocks rather than touring upper floors. Its position on West Capitol Avenue places it among the city's main downtown office addresses.

Regions Center was the tallest building in Arkansas from its completion in 1975 until the Simmons Tower surpassed it in 1986. It stands 454 feet (138 m) tall with 30 stories and 556,975 square feet of floor space. In 2016 it was reported at 57% occupancy, with tenants paying a combined $5 million in rent each month.