What is 312 929 99 92?

As an AI language model, I don't have access to current information about phone numbers. However, based on the format of the number provided, "312 929 99 92" appears to be a phone number in Chicago, Illinois, USA. The number is written in the format commonly used in North America with three digits for the area code (312) followed by three digits for the exchange (929) and four digits for the subscriber (9992). Without further information, it is impossible to determine any additional details about the number.