| Area Code▲ | City↕ | Administrative Region↕ | City Population↕ | Country/Region | Timezone |
|---|
| 261 | Patras | Western Greece | 168,034 | Greece | Europe/Athens |
| 2621 | Pyrgos, Elis | Western Greece | 22,399 | Greece | Europe/Athens |
| 2622 | Amaliada | Western Greece | 16,763 | Greece | Europe/Athens |
| 2625 | Krestena | Western Greece | 1,864 | Greece | Europe/Athens |
| 2626 | Andritsaina | Western Greece | 795 | Greece | Europe/Athens |
| 2632 | Aitoliko | Western Greece | 4,323 | Greece | Europe/Athens |
| 2634 | Nafpaktos | Western Greece | 13,415 | Greece | Europe/Athens |
| 2641 | Agrinio | Western Greece | 46,899 | Greece | Europe/Athens |
| 2642 | Amfilochia | Western Greece | 4,022 | Greece | Europe/Athens |
| 2643 | Vonitsa | Western Greece | 4,703 | Greece | Europe/Athens |
| 2644 | Thermo, Greece | Western Greece | 1,957 | Greece | Europe/Athens |
| 2659 | Kalentzi | Western Greece | — | Greece | Europe/Athens |
| 2694 | Chalandritsa | Western Greece | 949 | Greece | Europe/Athens |
| 2696 | Akrata | Western Greece | 1,393 | Greece | Europe/Athens |