The Swiss directory assistance
Assistance around the clock
Dial 1820 and our Swiss directory team looks up the number for you — every day, at any hour.
Get connected directly
No writing down, no redialling: on request we connect you straight through to the number you are looking for.
More than just a number
Wake-up service, concierge services and directory data for business customers — all under a single number.
We are here for you
Call 1820 Directory Enquiries for phone numbers, addresses and opening hours, or use 1820 Concierge for information and personal support with everyday questions and tasks. More about 1820 Concierge
1820 / 0900 18 20 20: CHF 1.99 per call per minute