Telephone number

This section provides information about the use of your telephone number.

The directory enquiry services

To find someone's details, consumers have a choice of different services provided on 18xy numbers.

Added-value service numbers 0900, 0901, 0906

The Federal Office of Communications (OFCOM) allocates 0900, 0901 and 0906 numbers individually. Holders of these numbers can offer a service which is paid for by the caller via a supplement to the connection charge. Additional information on the use of these numbers can be found here.

SR 784.101.113/1.3 Emergency call requirement

This document is part of the Technical and Administrative Regulations for routing and identifying the location of emergency calls (SR 784.101.113 / 1.3). It contains the geographical distribution of the coverage areas of the rescue services and routing numbers for routing emergency calls.

Specialist staff
Last modification 29.06.2022

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