The Area Codes of Greece: City/Town or RegionArea code 1.Thasos2593 (+30 2593) 2.Thermo2644 (+30 2644) 3.Thessaloniki231 (+30 231) 4.Thisvi2264 (+30 2264) 5.Thiva2262 (+30 2262) 6.Tinos2283 (+30 2283) 7.Trikala2431 (+30 2431) 8.Tripoli271 (+30 271) 9.Troezen, Poros, Hydra, Spetses2298 (+30 2298) 10.Tropaia2797 (+30 2797) 11.Tyrnavos2492 (+30 2492) 12.Tzermadio2844 (+30 2844)