ZE is code for Eastar Jet- a low cost airlines
EqyptAir's ICAO code is MSR; its IATA code is MS.
The airline code for El Al is LY.
The IATA airline code of Indigo Airlines is 6E.
PX is the IATA code for Air Niugini, the national airline of Papua New Guinea.
I don't know the airline code but maybe you mean the ID of Tallinn airport ( which is EETN ) .
EVA - a Taiwanese airline uses the Airline IATA Code of BR.
The 2 Or 3 Letter Code Is Issued As An Airline Identifier By The ITIA
British European Airways has the IATA airline designator code BE
zrh
A5 is the code for Airlinair (France).
Qantas Airways uses the airline code QF.
The Malaysian airlines code is MH