The Northern Natural Gas Building, also known as the 2223 Dodge Street Building, is located at 2223 Dodge Street in the Park East neighborhood of downtown Omaha, Nebraska, United States. It is a 260 ft (79 m), 19-story skyscraper that ranks 8th, among Omaha's top ten tallest buildings. As of October 2011, the building is being renovated into an apartment complex called the Highline.