How To Get A Replacement Mailbox Key. For a box not owned and maintained by the USPS a duplicate key can be made at your expense by visiting a locksmith. For those of you who are more visual learners heres an infographic to assist you in the replacement key.

Request the change from the United States Postal Service USPS or your unit properly manager. To get a replacement key you must come to the mail center during operating hours M-F 10am to 4pm to request one. In this note tenants can simply state that theyve lost their original key or keys and would like a replacement.
However in practice the seller usually keeps their mailbox key as the buyer will get new keys.
Lost my key I asked postmaster where to get replacement he said the post offices didnt have one but woyld. You pickup the mailbox keys from the local Post Office. In this note tenants can simply state that theyve lost their original key or keys and would like a replacement. For those of you who are more visual learners heres an infographic to assist you in the replacement key.
