Hours Of Operations John's Computer Repair Iowa Mason City 50401 John's Computer Repair Hours of Operation and Location in Mason City, IA 50401 4.3 - 28 votes 1413 S Federal Ave, Mason City, IA 50401 (866) 454-3623 Get Directions John's Computer Repair Hours Category: Electronics Hours Hours may vary due to season or holiday reasons. For specific hours, please contact store directly. Map Explore Mason CityView More Apparel CarharttJCPenneyKohl's OutletVisionworksVictoria's Secret Sports TargetVansBasic BasicFinish Line Jewelry Hobby LobbyKohl's OutletKay JewelersYounkersBon-Ton Recommend For You Advanced Business Systems Lasting Impressions Computer Express Communication Network Concert Technologies Genesis 10 Fast-teks Onsite Computer Services Hawkeye Communications Computer Md Precision Repair