Knowing the 9 character ORI for a particular agency what message key or form would you use to obtain the complete name address and telephone number through NLETS?

To obtain the complete name, address, and telephone number of an agency using its 9-character ORI in NLETS, you would use the "QH" message key, which is for querying agency information. This key allows you to request detailed agency data associated with the ORI. Ensure your query is formatted correctly to receive the necessary information in response.