To determine the sender of Certified Letter 45999, you would typically need to check the tracking information provided by the postal service or the delivery confirmation receipt. The sender's details are usually included in the letter itself or on the accompanying documentation. If you have access to the letter, you can find the sender's name and address there. If not, contacting the postal service with the tracking number may provide additional information.
FBI
We can't know the answer to your question.
You can't find the sender by using the tracking number. At best you may be able to find out the city it was sent from. Your best bet is to contact the post office and ask who sent it.
If people or business have moved or closed down...the letter can then be returned to sender.
Certified mail requires you to sign for the mail. To know who sent the certified mail, you usually need to sign for it but the sender's name is typically listed on the green card attached to the mail. You can ask to look at the card before signing and if you miss the delivery, you can look at the slip the mail carrier leaves for you that lets you know you had a certified letter or package.
Contact the sender to see if they have a copy.
To the Sender
Just ask the Letter Carrier or Sales Associate, there is no rule that says they can't. Remember the Postal Service is all about Customer Service.
Sending a certified letter means that the sender has proof that the letter was delivered to the recipient. This is done by requiring the recipient to sign for the letter upon delivery, providing a record that it was received.
Certified mail is mail that is designed to ensure it gets to its proper recipient. Generally when someone sends a certified letter, he wants to ensure that it gets to the recipient and a receipt signed by the recipient at the time the letter was delivered is sent back to the sender, giving the sender a record that such mail has been delivered.
Sending a certified letter involves taking the letter to the post office, paying a fee, and receiving a receipt with a tracking number. This means that the sender gets proof of mailing and delivery, as the recipient must sign for the letter.
It don't always show the name of the sender.
FBI
USPS certified mail service provides proof of mailing and delivery. When sending a certified letter, the sender receives a receipt and can track the letter's status online. The recipient must sign for the letter upon delivery, providing confirmation of receipt.
We can't know the answer to your question.
You can't find the sender by using the tracking number. At best you may be able to find out the city it was sent from. Your best bet is to contact the post office and ask who sent it.
You will receive a second notice after 5 days and then the letter is returned to sender 15 days from the date it was received at the post office and is marked unclaimed.