Local Search Web Services //
Submitting Local Queries
The latest version of the Local Search Web Service allows you to search the Internet for businesses near a specified location, and now returns both the latitude and longitude and Yahoo! user ratings of the establishment, as well as search by business categories.
Request URL
http://local.yahooapis.com/LocalSearchService/V3/localSearch
More at: http://developer.yahoo.com/search/local/V3/localSearch.html