Union, IA

ZIP code 50258 belongs to Newton, Iowa. This area is known for its picturesque setting, with landmarks such as Maytag Dairy Farms offering delicious artisanal cheeses. The Iowa Speedway, a premier motorsports facility, is also located in this zip code, attracting racing fans from around the country. Newton's charming downtown area boasts historic architecture and a variety of shops and restaurants for visitors to explore.