Directory services

Information 1820 (Switzerland), 118811 (Austria), 11840 (Germany)

1820 is the Swiss directory enquiries known from TV! Friendly, competent and 100% from Switzerland.

1820 is the competent national and international information service around the clock throughout Switzerland! Information of the highest quality and at a favourable price is a matter of course for us.

Find contacts

The friendly counsellors at 1820 don't just look for numbers, they put you in touch and help you make contacts. And if you just feel like chatting, we will connect you to our chat line.

Repeating numbers was yesterday

Instead of automatic number announcement, we rely on personal service. Whether it's a lost number from your grandparents, authorities, emergencies or a pizza order: the friendly advisors at 1820 are there for you! At 1820, the focus is always on you and your needs.

From Switzerland, for Switzerland

In 1820, the established with the TSS Fair Call Certificate operated by the award-winning company AP Dialog. All calls are answered in Switzerland. With 1820, your money stays in the country.

You can find more information about our enquiry service 1820 here.

Information services (1820,118811 in A, 11840 in D)

AP Dialog is the leading directory enquiries provider in Europe with several numbers in Switzerland, Germany and Austria.

Swiss directory data

Obtain up-to-date, week-by-week entries from the Swiss telephone directory as well as additional information from AP Dialog, the leading provider of directory enquiries in Switzerland.

Call our directory enquiry numbers directly. Dial 1820 in Switzerland, 11 8 40 in Germany and 11 8 8 11 in Austria. For other ways to access our Swiss database with the official directory data, contact us by e-mail info@apdialog.ch.