The following link has the general format for serial numbers though there are some variations on earlier models:
https://www.hobie.com/articles/boat-serial-number-location,15/Looks like you have read the bits you have correctly but are missing the beginning. On my Oasis this is “US-HCC” but this will vary based on location of manufacture.
You should request a copy of the “Manufacturer's Statement of Origin” (MSO) from the dealer it was originally purchased from. This document is provided to the receiving dealer by Hobie, contains the serial number, and is required in many states for registration.
Peter