Sadly, UK Panama advertisers cannot advertise on US Panama unless you create a US-based account and vice-versa, as Webmaster World reports. Within the country is another story, as Search Engine Round table suggests:

“To target prospective customers by state, province, or territory:

1. Click the Specific Regions button. The Target By dropdown list is displayed.
2. Select State/Province/Territory. The states, provinces, and territories within your market are listed below.
3. Select the regions to target.

- To target specific states, provinces or territories, click the checkboxes next to the regions.

- To target all states, provinces or territories, click the checkbox next to States/Provinces/Territories above the list.

To target prospective customers by city and surrounding area:

1. Click the Specific Regions button. The Target By dropdown list is displayed.
2. Select City and Surrounding Area. The search panel appears below.
3. Search for the cities and surrounding areas to target.

- To search for cities and surrounding areas within a state, province, or territory, click the State/Province/Territory button and select an area from the dropdown list.

- To search for cities and surrounding areas near a specific ZIP/Postal code, click the ZIP/Postal Code button, and then enter the ZIP/Postal code and the radius (in miles) around that ZIP/Postal code that you want to search.

4. Click the Search button. A list of cities and surrounding areas appears below.

5. Click the checkboxes that correspond to the cities and surrounding areas to target. The Map View tab displays the selected cities and surrounding areas. The Targeted Regions tab lists your selections.

6. To target additional cities and surrounding areas in another state or near a different ZIP/Postal code, run the search again.”

Go to Yahoo Marketing solutions for more on Geo Targetting like Creating Campaigns, Viewing Performance Graphs, Viewing Campaign, Ad Group, and Keyword Lists etc.

Yahoo over here.

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