| Area Code▲ | City↕ | Administrative Region↕ | City Population↕ | Country/Region | Timezone |
|---|
| 231 | Thessaloniki | Central Macedonia | 354,290 | Greece | Europe/Athens |
| 2321 | Serres | Central Macedonia | 58,287 | Greece | Europe/Athens |
| 2322 | Nigrita | Central Macedonia | 4,947 | Greece | Europe/Athens |
| 2323 | Sidirokastro | Central Macedonia | 5,177 | Greece | Europe/Athens |
| 2324 | Nea Zichni | Central Macedonia | 2,530 | Greece | Europe/Athens |
| 2327 | Rodópoli | Central Macedonia | 820 | Greece | Europe/Athens |
| 2331 | Veria | Central Macedonia | 44,464 | Greece | Europe/Athens |
| 2332 | Naousa, Imathia | Central Macedonia | 19,887 | Greece | Europe/Athens |
| 2333 | Alexandreia, Greece | Central Macedonia | 13,665 | Greece | Europe/Athens |
| 2341 | Kilkis | Central Macedonia | 19,734 | Greece | Europe/Athens |
| 2351 | Katerini | Central Macedonia | 53,293 | Greece | Europe/Athens |
| 2371 | Polygyros | Central Macedonia | 10,000 | Greece | Europe/Athens |
| 2372 | Arnaia | Central Macedonia | 2,300 | Greece | Europe/Athens |
| 2373 | Nea Moudania | Central Macedonia | 9,342 | Greece | Europe/Athens |
| 2374 | Kassandreia | Central Macedonia | 2,775 | Greece | Europe/Athens |
| 2376 | Stratoni | Central Macedonia | 1,057 | Greece | Europe/Athens |
| 2377 | Ierissós | Central Macedonia | 3,266 | Greece | Europe/Athens |
| 2381 | Edessa, Greece | Central Macedonia | 18,669 | Greece | Europe/Athens |
| 2382 | Giannitsa | Central Macedonia | 27,817 | Greece | Europe/Athens |
| 2395 | Sochos | Central Macedonia | 2,748 | Greece | Europe/Athens |
| 2396 | Vasiliká | Central Macedonia | 4,519 | Greece | Europe/Athens |
| 2397 | Asprovalta | Central Macedonia | 2,838 | Greece | Europe/Athens |
| 2399 | Nea Kallikratia | Central Macedonia | 7,238 | Greece | Europe/Athens |
| 2542 | Stavroupoli | Central Macedonia | — | Greece | Europe/Athens |
| 281 | Heraklion | Crete | 137,154 | Greece | Europe/Athens |