According to the USPS; What to do if mail delivered to the address you're at is addressed to an unknowI am currently staying at an address with my parents and mail was delivered, after reviewing the addressees and addresses of the mail , I noticed that while the mail itself was delivered to the address labeled on the envelope mail was delivered today addressed to an unknown person from an unknown sender; I was unsure of what the correct actions were to make sure that the mail is sent to the correct address of the recipient addressed. A search of the USPS website resulted in the following advice for what I believe is to be defined as "misdelivered mail". According the the USPS website: "Reporting / returning misdelivered mail Despite our best efforts, occasionally mail is misdelivered, or is delivered to an old location for an individual. If you are receiving mail for the previous resident and do not know their address, simply return the mail piece back to the mailstream (by leaving in a Collection Box or other mail receptacle) with the notation "Not at this address" marked on the envelope. For Priority Mail Express® items only, you can obtain the number of the Priority Mail Express Reporting Unit by calling: 1-800-ASK-USPS (1-800-275-8777) For other misdelivered mail items (such as letters): If the mailpiece is delivered to the wrong location: Don't erase or mark over the information, or write any type of endorsement on the mailpiece. Place the item back in the mailbox or hand the item back to your mailperson. If the mailpiece is delivered to the correct location but the recipient on the mailpiece does not reside at the address: Write "Not at this address" on mailpiece. Don't erase or mark over the address. Provide the mailpiece to your mailperson or drop into a Collection Box receptacle. Destroying mail that was not intended for you may be prohibited by US laws. Willfully destroying mail is an act that may be punishable by the Federal Government. If you have any questions about the legality of doing this, please contact your local law enforcement. Misdelivered Redelivery Notice If you receive a "We ReDeliver for You" PS 3849 form that is for a different address or for someone that does not live at your address (and the correct forwarding address is unknown): Check the "Other" box on the Notice (located on the front of the form, close to the bottom) Write in "Refused" Return the form to your mailbox or hand it to your carrier."n person (Misdelivered mail).

I am currently staying at an address with my parents and  mail was delivered, after reviewing the addressees and addresses of the mail , I noticed that while the mail itself was delivered to the address labeled on the envelope mail was delivered today addressed to an unknown person from an unknown sender; I was unsure of what the correct actions were to make sure that the mail is sent to the correct address of the recipient addressed.

In Pensacola, my current city, there are several such types of organizations that may provide the aforementioned address services.

(to list a few among others)

Community ReEntry Services / REAP

Contact - Waterfront Mission

Alfred-Washburn Center - Home

OpeningDoorsNWFL

Also, the USPS offers mail address leasing/rental services.

PO Boxes | USPS

A search of the USPS website resulted in the following advice for what I believe is to be defined as "misdelivered mail".

 According the the USPS website:

"Reporting / returning misdelivered mail

Despite our best efforts, occasionally mail is misdelivered, or is delivered to an old location for an individual. If you are receiving mail for the previous resident and do not know their address, simply return the mail piece back to the mailstream (by leaving in a Collection Box or other mail receptacle) with the notation "Not at this address" marked on the envelope. 

For Priority Mail Express® items only, you can obtain the number of the Priority Mail Express Reporting Unit by calling:
1-800-ASK-USPS (1-800-275-8777)

For other misdelivered mail items (such as letters):

• If the mailpiece is delivered to the wrong location:
  • Don't erase or mark over the information, or write any type of endorsement on the mailpiece.
  • Place the item back in the mailbox or hand the item back to your mailperson.

• If the mailpiece is delivered to the correct location but the recipient on the mailpiece does not reside at the address:
  • Write "Not at this address" on mailpiece.
  • Don't erase or mark over the address.
  • Provide the mailpiece to your mailperson or drop into a Collection Box receptacle. 

Destroying mail that was not intended for you may be prohibited by US laws.

• Willfully destroying mail is an act that may be punishable by the Federal Government.

If you have any questions about the legality of doing this, please contact your local law enforcement.

Misdelivered Redelivery Notice

If you receive a "We ReDeliver for You" PS 3849 form that is for a different address or for someone that does not live at your address (and the correct forwarding address is unknown):

1. Check the "Other" box on the Notice (located on the front of the form, close to the bottom)
2. Write in "Refused"
3. Return the form to your mailbox or hand it to your carrier."