USI meaning in Airport Code ?

Answer: What is Mabaruma mean?

Mabaruma is the administrative centre for Region One (Barima-Waini) of Guyana. It is located close to the Aruka River (the Venezuelan border) on a narrow plateau above the surrounding rainforest at an elevation of 13 metres.

reference

Full Form	Category
United Systems Institute	Academic & Science
University of Southern Indiana ( Evansville)	Academic & Science
University of Southern Indiana	Academic & Science
Unique Student Identifier	Academic & Science
Urological Society of India	Academic & Science
Mabaruma	Airport Code
U S Industries, Inc.	Business
Universal Systems, Inc.	Business
Unitray Systems, Inc.	Business
United Services Inc	Business
Ultrasonic Systems Inc	Business
Underground Systems Inc	Business
Ultra Services Inc	Business
Union of students in Ireland	Community
United States History One	Community
Universal Serial Interface	Computer Hardware
Universal Sim Interface	Computing
Usb Interface	Computing
User Specific Interface	Computing
User Side Interface	Computing
United States Of India	General
Universal Speech Interface	General
Un Satisfactory Inspections	General
Umbra Space Industries	General
User Service Information	General
Unique Superannuation Identifier	General
Universal Security Instruments	General
Universal Swap Identifier	General
Universal Solutions International	General
Ultimate Spot In Indiana	General
Universal Stylus Initiative	General
Unique Student Identification	General
Understand Service Innovate	General
Understand Service and Innovate	General
Universal Scientific Industrial	General
United Sportsmen Incorporated	General
Unmanned Safety Institute	Governmental
Un Satisfactory Inspection	Military and Defence
Unified Space Intelligence	Military and Defence
Update Software Identity	Space Science
User System Interface	Telecommunication