Disclosed are embodiments of systems and methods for retrieving combination lock codes in a secure environment. In some embodiments, each of a plurality of combination locks are linked with a serial code. A user may then enter user identity information into a retrieval system. After the system has validated the user identity information, the user may enter a serial code into the system, the serial code associated with a combination lock for which the user would like to retrieve a corresponding combination code. Upon receipt of the serial code from the user, the system may securely transmit a combination code associated with the desired combination lock to the user. In one embodiment, the secure transmission of the combination code is done by sending an electronic mail message to an electronic mail account of the user.