IAA meaning in Messaging ?

Answer:

INFO: Full form for IAA is Ignorant and Apathetic in Messaging category
IAA also has other full forms in other categories mentioned below.

Full Form	Category
Indole-3-acetic acid	Academic & Science
אגודת האקטוארים בישראל	Academic & Science
Israel Association of Actuaries	Academic & Science
Integrated Arts Academy	Academic & Science
Iodo Acetic Acid	Academic & Science
InterAmerican Academy	Academic & Science
2-iodoacetamide	Academic & Science
Internal Accounting Association	Accounts and Finance
Igarka	Airport Code
International Academy of Architecture	Associations & Organizations
Institute of Actuaries of Australia	Business
International Advertising Association	Business
Insurance Auto Auctions	Business
Indole Acetic Acid	Chemistry
Indiana Apartment Association	Community
Indian Association of Alberta	Community
Independent Ambulance Association	Community
Investment Adviser Association	Community
Illinois Arborist Association	Community
Interior AIDS Association	Community
I Am Alive (emergency system)	Computer and Networking
Intel Application Accelerator	Computing
Initial Address Acknowledgement	Computing
Internet Association of Australia	Computing
Istituto d'Asta Autoveicoli	General
Internationale Automobil Ausstellung (International Automobile Exhibition)	General
Insurrectional Army of America	General
I Am Awesome	General
Intelligent Aerodynamic Automobile	General
Irish Aviation Authority	General
Internationale Automobil Ausstellung	General
Impact Acceleration Accounts	General
Interrupted Aortic Arch	General
Intensive Action Area	General
Intermediaries Agents and Appointees	General
Internationalen Automobil Ausstellung	General
Idle Air Adjuster	General
Independent A-Arm	General
International Automobile Association	General
Icelandic Automobile Association	General
Italian Automotive Academy	General
Independent Automotive Advocates	General
Information Affairs Authority	Governmental
Imperial Affairs Agency	Governmental
Indian Aircraft Act	Governmental
Institute of Accountancy Arusha	Governmental
Immigration Advisers Authority	Governmental
Immigration Assessment Authority	Governmental
Israel Airports Authority	Governmental
Israel Antiquities Authority	Governmental
Indianapolis Airport Authority	Governmental
Impact Assessment Agency	Governmental
INDARA JN	Indian Railway Station
International Academy of Astronautics	International
International Association of Art	International
International Anaplastology Association	International
International Airfreight Associates	International
International Association for Assyriology	International
International Academy Amman	International
International Association of Astacology	International
International Achievement Awards	International
International Affairs Agency	International
International Association for Aerobiology	International
International Awards Associates	International
International Association for Aesthetics	International
Ignorant and Apathetic	Messaging
Insurance Application Architecture	Softwares
International Aerospace Abstracts	Space Science
Indara Junction	Transport & Travel