Tried three vendors before this. Address quality is the strongest column in the file. Bought it to handle fulton's foods store locations (united k lead-gen for the United Kingdom region. Wished a few smaller towns had been included.
Good to know what worked and what didn't, the points you raised are on the refresh checklist for the next pull. If you want the gaps fixed sooner than the next refresh, open a support ticket and we'll spin a one-off pull.