Where can I find a list of IATA codes for all of the available airlines?

Unfortunately, we do not offer that as a service. However, you can find the list of all IATA & ICAO airlines codes on the official IATA website:  

• http://www.iata.org/publications/Pages/code-search.aspx
• https://www.iata.org/about/members/Pages/airline-list.aspx?All=true