What is the code for my radio lock?

The radio code may vary depending on the specific radio model installed in the vehicle. However, the code range you provided (682-689) seems to be incomplete as Pontiac radio codes typically consist of 4-6 digits.

If the phone number provided to obtain the unlock code for your radio is not working, you may want to try contacting your local Pontiac dealership. They should be able to assist you in obtaining the correct code for your specific radio model. You may need to provide them with the radio's serial number, which can usually be found on a sticker or engraved onto the radio itself.