Area Codes in Heerlen
| Area Code▲ | City↕ | Administrative Region↕ | City Population↕ | Country/Region | Timezone |
|---|---|---|---|---|---|
| 45 | Heerlen | Limburg (Netherlands) | 93,084 | Netherlands | Europe/Amsterdam |
Nearby Cities
| City | Region | Country | Population | Area Codes | Postal Codes |
|---|---|---|---|---|---|
| Kunrade | Limburg (Netherlands) | Netherlands | 3,900 | 45 | 6367 |
| Schaesberg | Limburg (Netherlands) | Netherlands | — | 45 | 6373, 6418, 6465, 6466 |
| Simpelveld | Limburg (Netherlands) | Netherlands | 11,424 | 45 | 6369, 6422, 6466, 6465 |
| Ubachsberg | Limburg (Netherlands) | Netherlands | 1,390 | 45 | 6367 |
| Welten | Limburg (Netherlands) | Netherlands | — | 45 | — |