Stores in Keystone, Iowa The most complete information about stores in Keystone, Iowa: Addresses, phone numbers, reviews and other information. All stores Convenience Electronics Popular stores in Keystone Gatewood's Computer Sales & Serv, Inc. Electronics Closed now Until 09:00 am tomorrow 1569 73rd Street, Keystone, IA 52249 Get Directions Contacts Write a review Keystone Mini-Mart Convenience Closed now Until 06:00 am 407 5th Street East, Keystone, IA 52249 Get Directions Contacts Write a review ✗ Facebook Google Plus Twitter