What is the factory lock code for Honeywell thermostat?

Excuse me, but I'm trying to gain access to a Honeywell thermostat and I'm encountering some difficulty. Could you possibly clarify what the factory lock code is for this particular thermostat? I understand that it's a security measure, but I need to adjust some settings and I'm unsure how to proceed without the proper code. Could you please provide me with this information, or direct me to a resource where I might find it? Thank you for your time and assistance.