USCIS Medical Interfile with Barcode for Pending i485 (Send without RFE)

[anil_am22 (Anil Gupta)]

All USCIS addresses are usually PO box address only.

[Priyanka_Agrawal1 (Priyanka Agrawal)]

So medical infertile can be sent to this PO Box ? Sorry for asking same question but just want to make sure I am not missing anything.