Can you mail a registered letter to a po box

In the United States, the answer is generally yes, you can mail a registered letter to a PO Box. However, there are some important considerations to keep in mind:

1. PO Box addresses are not considered "street addresses": Registered mail requires a street address, not a PO Box. However, the USPS (United States Postal Service) allows you to use a PO Box as a mailing address for registered mail, as long as the PO Box is associated with a street address.
2. You need to provide the street address: When sending a registered letter to a PO Box, you must provide the street address associated with the PO Box. This is usually the address of the post office or mail center where the PO Box is located.
3. Use the correct format: When addressing the envelope, use the following format:
   • "Recipient's Name" (or "Attention: Recipient's Name")
   • PO Box Number
   • City, State, ZIP Code
   • Street Address (associated with the PO Box)
4. Check with the post office: Before sending a registered letter to a PO Box, it's a good idea to check with the post office or mail center where the PO Box is located to confirm their policies and procedures.

Here's an example of a properly addressed registered letter to a PO Box:

"John Doe" "PO Box 123" "Anytown, CA 12345" "123 Main Street, Anytown, CA 12345"

Remember to affix the correct postage and complete the registration process at a post office or mail center.