GBP Owners Can Hide Their Phone Numbers
Unavailable from GBP dashboard, Google provides a how-to guide.
GBP Owners Can Hide Their Phone Numbers
Businesses have the prerogative to hide their phone number within Google Business Profile, although the option isn't available within the GBP Dashboard. However you use Google Business Profile, the listing helps broaden your visibility, expand your credibility (with reviews), and share business information with customers or potential customers. The above linked document pertains to the New Merchant Experience (direct edits, in other words).