SCCMap shows that the addresses here are all on Santa Cecilia Terrace. The Sunnyvale GIS data shows the same information. I don't think that anything needs to be updated for these unnamed roads.

See https://geoess.sccgov.org/discovergis/sccmap and https://sunnyvale-geohub-cityofsunnyvale.hub.arcgis.com/datasets/81f57ae1ca49400f8a1a322eae53391c_0/explore?location=37.394667%2C-122.026959%2C18.77 for details.