Grand Hotel Ambasciatori
Amadeus (1A) = NV RROAMB
Sabre (AA) = NV 58888
Galileo/Apollo (UA) = NV 31342
Worldspan (TW) = NV RROAM
DHISCO (WB) = YX 40926
Grand Hotel De La Ville
Amadeus (1A) = NV RRODEL
Sabre (AA) = NV 49254
Galileo/Apollo (UA) = NV 33278
Worldspan (TW) = NV RRODE
DHISCO (WB) = YX 40920
Grand Hotel Capodimonte
Amadeus (1A) = NV RROGRC
Sabre (AA) = NV 49144
Galileo/Apollo (UA) = NV 32201
Worldspan (TW) = NV RROGC
DHISCO (WB) = YX 40927
Grand Hotel Royal
Amadeus (1A) = NV RROROY
Sabre (AA) = NV 48526
Galileo/Apollo (UA) = NV 30654
Worldspan (TW) = NV RRORO
DHISCO (WB) = YX 40925