053 — AER LINGUS
053 is the 3-digit airline accounting code (ticket prefix) of Aer Lingus. Any 13-digit e-ticket number starting with 053 was issued by, or on behalf of, this airline (e.g. 053-1234567890).
| 3-digit code | 053 |
|---|---|
| Airline | Aer Lingus |
| IATA designator | EI |
| ICAO code | EIN |
| Country | Ireland |
Aer Lingus airline profile → · All airline codes →
Source: IATA Current Airline Members (public list). Last verified 2026-10-15.