| Ag. Anargyroi Station | - | 2618680, 2620429 |
| Ag.I.Rentis Station - Stationmaster | - | 4913788 |
| Ano Liosion Station | - | 2472504 |
| Aspropyrgos Station | - | 5572641 |
| Athens Station (Pelloponese line) Incoming freight | - | 5131595 |
| Athens Station (Pelloponese line) Infomation/Tickets | - | 5131601 |
| Athens Station (Pelloponese line) Luggage | - | 5131601, 5131687 |
| Athens Station (Pelloponese line) Outgoing freight | - | 5131597 |
| Athens Station (Thessaloniki line) Domestic freight | 1 Domokou st. | 5131784 |
| Athens Station (Thessaloniki line) Information/Tickets | 1 Domokou st. | 5240601, 5240646-8 |
| Athens Station (Thessaloniki line) International freight | 1 Domokou st. | 5131786 |
| Athens Station (Thessaloniki line) Luggage | 1 Domokou st. | 8219159 |
| Athens Station (Thessaloniki line) Stationmaster | 1 Domokou st. | 8237741 |
| Athens Station (Thessaloniki line) Tickets/Reservations | 1 Domokou st. | 8217534 |
| Eleysina Station | - | 5546521, 5549224 |
| Head office-Peloponnese line-Tickets/Information/Timetable | 1 Karolou st. | 5224302 |
| Head office-Thessaloniki line-Tickets/Information/Timetable | 1 Karolou st. | 5222491 |
| Menidi Station | - | 2461207 |
| Piraias Station (Pelloponese line) Freight | - | 4174912 |
| Piraias Station (Pelloponese line) Information/Tickets | - | 4178335 |
| Piraias Station (Pelloponese line) Luggage | - | 4178335 |
| Piraias Station (Pelloponese line) Stationmaster | - | 4178335 |
| Piraias Station (Thessaloniki line) Domestic freight | - | 4612527 |
| Piraias Station (Thessaloniki line) Information/Tickets | - | 4612734 |
| Piraias Station (Thessaloniki line) International freight | - | 4612866, 4632570 |
| Piraias Station (Thessaloniki line) Luggage | - | 4612734 |
| Piraias Station (Thessaloniki line) Stationmaster | - | 4612734 |
| Rouf Station (Pelloponese line) | - | 3461553 |
| Rouf Station (Thessaloniki line) | - | 3462707 |
| Sina st. office - Tickets/Information/Timetables | 6 Sina st. | 3624402-6 |
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