The Cedar Falls city boundary does not reflect additional land  south of Viking Road annexed by the city in 2020 and 2024.  See official city GIS map, where an "Annexations" layer can be turned on under the "LandRecords" tab: https://gis.cedarfalls.com/portal/apps/experiencebuilder/experience/?id=8492d89c8e874470b3cd4a878c921367