UCA meaning in Messaging ?

Answer:

INFO: Full form for UCA is Under Chair Activities in Messaging category
UCA also has other full forms in other categories mentioned below.

Full Form	Category
University of Central Arkansas	Academic & Science
University of Central Asia (Khorog, Tajikistan)	Academic & Science
University of Central Asia	Academic & Science
University City Associates	Academic & Science
University for the Creative Arts	Academic & Science
University Center for the Arts	Academic & Science
Utica (ny)	Airport Code
Unified Corporate Authority	Business
United Canadian Alliance	Business
Unified Caring Association	Business
Underground Contractors Association	Business
United Cheerleaders of America	Community
Uttarakhand Cultural Association, Canada	Community
Universal Cheerleader Association, Cheerleader Training Organization founded in 1974, (uca.varsity.com)	Community
Universal Cheerleaders Association	Community
Union de Cooperativas Agropecuarias	Community
United Court of Austin, Inc.	Community
United Capoeira Association	Community
Unknown Chinese Artists	Community
United Christian Academy	Community
Utility Communication Architecture	Computer Hardware
Unauthorized Computer Access	Computing
United Computer Accessories	Computing
United Computer Associates	Computing
Unicast Address	Computing
UCA Coin	Cryptocurrency
Universal College Application	Educational Institute
Universal College Applicaton	Educational Institute
Utah Chess Association	General
United Canine Association	General
Unicode Collation Algorithm	General
Underground Construction Association	General
Utah Consolidated Application	General
Under Color Addition	General
Under Construction Always	General
Urban Core Area	General
Unique Common Ancestor	General
Universidad Católica Argentina	General
Usine de Construction Aéronautique	General
Utah Code Annotated	General
Unique Compatibility Additives	General
United Chinese Americans	General
Utility Cost Adjustment	General
Upper Control Arm	General
Used Car Awards	General
Utah Corvette Association	General
Undefinitized Contract Action	Governmental
Union Council Administration	Governmental
UCHANA	Indian Railway Station
Unión de Campesinos Asturianos	International
Universidad CentroAmericana José Simeón Cañas	International
User Created Animal	Medical
Urgent Care Administrator	Medical
Under Chair Activities	Messaging
Unenclosed Covered Area	Military and Defence
Utility Communications Architecture	Networking
Utica, New York USA	Regional
United Cheerleading Association	Sports