Keystone, IA

ZIP code 52249 encompasses the town of Lisbon, Iowa, nestled in Linn County. Known for its small-town charm, Lisbon boasts the Lisbon History Center, preserving the area's heritage, and the charming Wilson Family Park, inviting locals and visitors to relax and enjoy nature. The zip code area also includes Lisbon High School, a focal point of the community's pride and spirit.