Newington, CT

ZIP code 06131 belongs to Mainz, Germany. This area is home to several significant landmarks, including the Mainz Citadel, which dates back to the 17th century and houses the state parliament of Rhineland-Palatinate. Additionally, the Johannes Gutenberg University Mainz, one of Germany's largest universities, is located in this ZIP code. The area is also known for its picturesque parks and charming historical architecture.