Once you have the number
Enter it into the PetChipHelp finder to identify the database, then use that database for any official record update.
PetChipHelp is an independent guidance service. We can help identify the database and explain the process, but official microchip records are changed by the database provider that holds the registration.
Have the microchip number?
Check which database appears to hold the record, then go straight to the right provider.