Write a letter to the postmaster of your local post office enquiring about a missing parcel.?

[Your Name]
[Your Address]
[City, State, Zip Code]
[email Address]
[Date]

[Postmaster's Name]
[Local Post Office Name]
[Post Office Address]
[City, State, Zip Code]

Dear Postmaster,

I am writing to inquire about a missing parcel that I was expecting to arrive on [insert date]. The tracking number is [insert tracking number], and it indicates that the package was last scanned at your facility. I would appreciate any assistance you can provide in locating this parcel.

Thank you for your help.

Sincerely,
[Your Name]