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Yes, that 8-digit number is XXXXX serial number. Honda will only give out the radio code to the current owner of the vehicle. This is to prevent theft of the radio. You can visit any Honda dealer's parts counter for this information. It does not cost anything, but you will have to provide proof of ownership of the vehicle, so be sure to take your driver's license and your title or registration. You may also click on the link below and save yourself a trip to the dealer: