(0)137 Mass calling services
Mass calling services are services – notably in the numbering range of (0)137 numbers – typified by heavy traffic volume at single or several short intervals of time and by the brevity of the calls, the aim being a limited retrieval capacity. Mass calling services numbers may only be used to provide a mass calling service.
Legal Basis of allocation
Numbering plan for mass calling services numbers (pdf / 101 KB)
Application for Mass Calling Services Numbers (pdf / 47 KB)
Application for Mass Calling Services Numbers (pdf / 47 KB)
Status of Number Blocks
List of free (0)137number blocks (only available in German language)
List of held or allocated (0)137 blocks (only available in German language)
List of allocatee addresses (only available in German language)
Fixed Prices
Fixed prices for calls from the Public Fixed Network (only available in German language)