The phone number 0519000021 is a landline phone number in Switzerland.
It is assigned to a phone operator that provides landline phone service and may also offer internet and television services.
Like all phone numbers in Switzerland, the number 0519000021 starts with the country code "+41", followed by the regional code and the actual phone number.
In the case of this number, the digit "51" indicates that it is a landline phone number, while the other digits make up the actual phone number.
The holder of this phone number may be a company or an individual.
If you want to contact the holder of this number, you can do so by dialing the full number, including the country code.
Make sure to check your phone operator's rates before calling, as costs can vary depending on your plan and the operator you are using.