Use this Dex widget to search and find Local Businesses in the Dex Yellow Pages Directory Listings Phone Book. Use the Dex widget to search and find local businesses in the United States, complete with Maps & Reviews. Simple to use. Just type a category, business name, keyword or phone number into the ‘what’box. Then type a city, state, ZIP code or landmark into the ‘where’ box and hit enter or the find button and see the results appear in your browser.