1. Enter your correspondent's phone number in the search bar
2. The results will then be displayed if the number is in the database of our numbers (official public directory database)
3. We will also let you know if we think the number is a marketing number
4. No results are visible for your search?
1. Check that the entered number is correct
2. Try to remove the last 2 digits to perform a more extensive search
3. Correspondent may not be listed in the public directory

Everyone has the right to refuse to appear in the reverse lookup phone directory. The conditions for deleting your information are the same as for the normal phone directory. If your information is registered with Swisscom Directories SA, please refer to this FAQ or if you have registered your information directly with ZIP.ch, go to FAQ.