> ## Documentation Index
> Fetch the complete documentation index at: https://docs.invoca.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Does Facebook Mask Caller IDs When Calling Invoca Numbers via an App?

> Yes — Facebook has confirmed that caller IDs can be masked for privacy reasons when a call is placed through the Facebook app.

Facebook has confirmed that caller IDs can be masked when a call is made through the Facebook app, for privacy reasons. As a result, you may see unexpected caller IDs in Invoca reporting — this is especially noticeable if you're running a region-specific campaign.

**Applies to:** Invoca Call Report, Facebook click-to-call

## Where to go next

* [Why Is Data Failing to Reach Facebook?](/s/article/facebook-data-failures)