Functionality Discloser :- Mobile App allows you to search number to Locate on map. Apps works using api server from apilayer allows to search 200 + countries to get information. Worldwide ISD and STD codes for dial: Our Caller & Block is powered by a database of thousands of areas information in the world. 200 countries codes for international subscriber dialing(ISD). Phone Number Lookup - All phone number searches within Smart Search are stored. Perform a phone number lookup on an incoming c