See https://sfcta.github.io/simwrapper/files/simwrapper-data/reports/tncs2020/viz-map-completed-trips.yaml
zip codes are rounded to the nearest 10, and tnc.completed_trips are rounded to the nearest 10/100 when the numbers are big enough.
Data files are here: https://github.com/sfcta/simwrapper-data