It is a PO Box at the UPS Store.That has been brought up many times. Many who are associates with Bangi use the same PO Box.
The UPS Store Grosse Pointe Farms: Shipping & Packing, Printing ...
https://locations.theupsstore.com › MI › Grosse Pointe Farms Visit The UPS Store Grosse Pointe Farms at 18530 Mack Ave to ... Your resource for mailbox, shipping, and printing services in Grosse Pointe Farms, MI. .... mail receipt notifications, and a real street address in 48236, not just a PO Box #.
Funny thing though, Knowles stated in an interview that Bangi was located in Californoia.
18580 Mack Ave, Grosse Pointe Farms, MI - Draper David R Public ...
https://clustrmaps.com › Michigan › Grosse Pointe Farms › Mack Avenue Please see our full analysis of Grosse Pointe Farms here. 9,307. Population ... to this address. Domain ownership info for Matthew Dennis and Robert Shumake.
And thanks to some other past great DD on that address.