Which network is behind a cell phone number and the number has been ported?

The provider check app answers these questions and offers information for landline and international numbers.

The app has the following features:

Check number
✓ enter any number or select from the address book
✓ Determination of the network of a mobile number (network / destination network of German phone numbers, no discount)
✓ recognition of ported numbers
✓ recognition of the location of a fixed-point
✓ Determination of the country of an international number
✓ Secure data transmission

All information without guarantee.

To perform the network test live, phone numbers are transmitted (without assignment to a name or the like) to our server. The phone numbers are discarded immediately after the mains exam and submission to your iPhone on the server. There are no phone numbers stored on the server.