Find telephone numbers and addresses of persons and companies with a few taps on your screen.

Via 411-Portal you get FREE online access to up-to-date telephone databases of the United States of America.

Reverse search
Search on the telephone number and get the corresponding name and address.
Notification
Automatically perform a reverse search on unknown incoming calls so you can see who is calling you or whose call you missed.
Address book
Insert the information you find into the address book of your mobile device.
Address location
Pass the address you find to your map application.
Call integration
Directly call the telephone number you find.