The Area Codes of Greece:
| City/Town or Region | Area code | |
|---|---|---|
| 1. | Salakos (Chalki, Kastellorizo, Symi, Tilos) | 2246 (+30 2246) |
| 2. | Sami (Kefalonia, Ithaca) | 2674 (+30 2674) |
| 3. | Samos | 2273 (+30 2273) |
| 4. | Sapes | 2532 (+30 2532) |
| 5. | Serres | 2321 (+30 2321) |
| 6. | Servia | 2464 (+30 2464) |
| 7. | Siatista | 2465 (+30 2465) |
| 8. | Sidirokastro | 2323 (+30 2323) |
| 9. | Siteia | 2843 (+30 2843) |
| 10. | Skiathos | 2427 (+30 2427) |
| 11. | Skopelos | 2424 (+30 2424) |
| 12. | Sochos | 2395 (+30 2395) |
| 13. | Sofades | 2443 (+30 2443) |
| 14. | Soufli | 2554 (+30 2554) |
| 15. | Sparta | 2731 (+30 2731) |
| 16. | Spercheiada, Makrakomi | 2236 (+30 2236) |
| 17. | Spyli | 2832 (+30 2832) |
| 18. | Stavroupoli | 2542 (+30 2542) |
| 19. | Stratoni | 2376 (+30 2376) |
| 20. | Stylida | 2238 (+30 2238) |
| 21. | Stymfalia | 2747 (+30 2747) |
| 22. | Syros, Kythnos, Serifos, Syros | 2281 (+30 2281) |