Target line items to geographic areas
You can target a line item to countries, regions (such as provinces, prefectures, states, etc.), U.S. Nielsen DMAs (designated market areas), and cities. To select an area, you can browse or search for it in the "Geography" tab of the line item's targeting settings. You can also enter specific U.S. ZIP codes and Canadian postal code prefixes.
What does DFP use to determine geotargeting?
DFP targets users by their IP addresses. Geotargeting by IP address is generally very precise and reliable.
You can target line items to U.S. states, as well as cities and in some cases metropolitan areas. When you browse the geographic targeting criteria in a line item:
Metro areas that are contained within a single state are listed within that state. Click on the plus icon to expand the state and find the metro areas.
- Metro areas that span multiple states are listed under the United States, along with states.
For example, the "New York NY" metro area is listed at the state level because it includes New York, New Jersey and Connecticut, but the San Francisco-Oakland-San Jose CA metro area is listed under California because the whole area's in one state.
Sometimes advertisers want to target line items to more specific geographic areas than states, metropolitan areas, or cities. You can achieve this by targeting to U.S. ZIP codes and Canadian postal code prefixes (for example, you can target Canadian postal code A1A but not A1A 1A1).
To target line items to postal codes:
In the "Add targeting" area of the line item's settings, click Geography.
Click the Enter text tab at the top of the targeting panel.
Copy and paste your list of postal codes, separated by commas.
The targetable ZIP codes or postal code prefixes you entered are added to the line item's targeting criteria.
Why didn't some codes get added to the targeting criteria?
A ZIP code or postal code prefix may not be targetable because it's either invalid or can't be targeted due to privacy or accuracy concerns. For example, some ZIP codes are assigned only to post office boxes.
If a code isn't added to the line item's targeting criteria, make sure it's valid. If it turns out the code is valid but targets a post office box, you should instead target the line item to the zip code that's assigned to the larger area that contains the post office box.
When targeting to the U.S., you can't target to a ZIP code if you've excluded the region, state, or metro area in which the ZIP code is located. When targeting to Canada, you can't target to a postal code prefix if you've excluded Canada.
Consistent with Google's advertising policies, we don't allow publishers to target ads to Burma (Myanmar), Cuba, Iran, North Korea, Sudan, and Syria.
We apologize for any inconvenience this may cause you and appreciate your understanding. You can still target ads to a different region that is compliant with our program policy's and Terms and Conditions.
When targeting geographic areas, impressions are served for line items matching the specified criteria.
In some instances, all levels of geographic data may not be available or mappable from the user IP. If you are pulling a report on a geographic dimension that is more granular than your line item targets, the geographic values for some impressions could appear as "N/A".
For example, let's say you have a line item targeted to a specific DMA but are pulling a report based on the city. If the information available from a user IP accurately maps the user to the DMA, but not to a specific city within the DMA, the city value for that particular impression will appear as "N/A".