what is IATA code
The International Air Transport Association's (IATA) Location Identifier, a unique 3-letter code, is used in aviation and partly in logistics to identify mainly locations of airports throughout the world.Below is a list of IATA codes ordered by cities.pain. IATA 3-letter codes: almost all IATA codes for Airports and Cities: Order by Airport/City: A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | XYZ Order by Code: A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z. GRX.