Call labeling can happen on many levels within the calling ecosystem. The three primary things that can impact if a label appears on your phone number are the carrier the call is going through, the device the end user receiving the call on, and additionally third-party applications installed on devices.
Because of this, a user with a Verizon phone may see a label whereas someone with an AT&T phone may not. each carrier has its own algorithm for determining when a label should be applied and even has different labels that can be applied.
To prevent labeling visit our article on why calls get labeled and how to prevent it, If your number already has a label on it you can request a new number, or go through the remediation process.