This issue was reported in dynamics community where in customer address was not showing in the addresses subgrid.
Community Thread – Lead’s mailing address not visible on contact or account record after lead qualification
To read more about Addresses read here : Addresses In CRM
So coming to the issue. I added the subgrid of related addresses to the contact form and ideally when a contact is created with proper address information it should be added in the subgrid. (Applies to lead qualification process too). However this is what I saw:
No address was populated.
Solution/Workaround:
This seems to be a bug In dynamics 365 where in the view associated with this addresses subgrid is corrupted and has some errors which blocks the records from showing. 
So I went to Customizations > Entities > Addresses > Views > “Customer All Addresses public view and removed the error conditions. Published the customizations.
Now I could see the related addresses without any issues.
I hope this helps!
