Numbering plan for Swiss telephone numbers Information on allocation and management of telephone numbers for fixed network and mobile telephone services (e.g. 031, 032, 078 or 079) and codes (e.g. 098013). List of number ranges and codes allocated to telecommunication services providers.
Here you will find consumer information on the numbers which are allocated individually. These numbers are used to offer services in the following categories: Freephone Numbers (0800), Shared-cost Numbers (084x), Personal Numbers (0878), Business and Marketing (0900), Games and Competitions (0901) and Adult Entertainment (0906).
Use of a carrier selection code (CSC) allows subscribers to freely choose their provider for national or international calls whether automatically (preselection) or cal-by-call. CSCs are composed of 5 digits and are allocated by OFCOM to telecommunication services providers.
Regulations concerning number portability between telecommunication services providers. Information on allocation and management of carrier selection codes (e.g. 098013) which are used as routing addresses.
Services providing access to the complete list of subscribers to all providers of telecommunication services forming part of the universal service who have opted to appear in the public telephony service directory. Access to these services is possible in a variety of ways, in particular via the public telephony service (directory enquiries) or via other telecommunication services (data transmission, SMS/MMS, WAP, GPRS, internet, etc...).
Numbering plan for public data networks. ITU-T Recommendation X.121 describes the format of data network identification codes (DNIC). All DNICs consist of four digits. The first three digits identify a country; this is the data country code (DCC). The fourth digit enables identification of a network specific in the country.