Sewickley, PA

ZIP code 15143 covers Sewickley, Pennsylvania, a small town located in Allegheny County. Known for its historic charm and affluent community, Sewickley is home to landmarks such as the Sewickley Library, established in 1873, and the Old Sewickley Post Office, which now houses shops and restaurants. The town boasts tree-lined streets and Victorian architecture, creating a picturesque setting for residents and visitors alike.