If you are getting this issue, please check the following reasons:
Listing is not claimed
As the default, Phone and Email won’t show up if the listing is an Unclaim listing. You can check Claim Status under Listings -> Your Listing -> Listing Claim
If you want to show up Phone and Email even this listing is not claimed:
Appearance -> Theme Options -> Directory Type -> Hiding Contact Info on Un-Claim Listing: Disable
Listing belongs to a Plan and that plan is disabled this feature
The listing may belongs to a plan and this plan won’t enable this feature.
EG: Listing A belongs to Free Plan
Free Plan is disabling Email and Phone: Listing Plans -> Free