Already Have Non-BoatUS MMSI?

If you have an expired ship station license and it included an MMSI number assigned by the FCC
-OR-
You obtained an MMSI number through Maritel, who is no longer providing the service, you may input your existing MMSI number below to re-register the number through BoatUS.

(Please note: The number provided must meet the particular criteria provided by the FCC & Maritel in order to be entered into this form. If you do not have a valid MMSI number, you will need to obtain a new MMSI by returning to the previous page and clicking on "Free MMSI number" at the top of the page.)