The COVID-19 Zip Code Map shows information on COVID-19 cases and testing by zip code. Case data are updated daily by 4:00 p.m. Monday through Friday (excluding most holidays). Testing data are updated by 4:00 p.m. Tuesdays and Fridays. NOTE: The number of positive tests may not equal the number of cases. Although one person may be tested more than once, they are only counted once as a case. Cases or tests missing addresses or with incorrect addresses are excluded. Cases and tests reported by University of Northern Colorado will not match case or test counts in zip code 80639. Zip code 80623 is a general delivery post office box for residents living in and around that area.