Zones List is a collection of zones/sub IDs that can be applied as a black- or whitelist to any campaign.Zones List can also be automatically applied as a blacklist for each new campaign (default blacklist).To navigate to Zones List page:How Zones Lists work:Example:List contains 2 zones/sub IDs:Those zones/sub IDs can be applied as a black- or whitelist to any campaign:You also have an option to activate a default blacklist that could be applied to all new campaigns. Limitations:Max number of Zones Lists: 100;Max number of zones per List: 1000;Max number of zones per campaign: 30k;A campaign can either whitelist or blacklist Zones Lists, not both at the same time. To create a new Zones List:Go to the Zones Lists pageClick "New zones list"Applying Zones List to a campaign:Go to "Targeting" step of a campaign, then "Zone List" tab;Select a Zone List and the blacklist/whitelist action;Click "Apply targeting rule";