Area Codes in Heemskerk
| Area Code▲ | City↕ | Administrative Region↕ | City Population↕ | Country/Region | Timezone |
|---|---|---|---|---|---|
| 251 | Beverwijk | North Holland | 37,585 | Netherlands | Europe/Amsterdam |
Nearby Cities
| City | Region | Country | Population | Area Codes | Postal Codes |
|---|---|---|---|---|---|
| Bakkum | North Holland | Netherlands | — | 251 | 1901 |
| Beverwijk | North Holland | Netherlands | 37,585 | 251 | 1941, 1942, 1943, 1944 |
| Castricum | North Holland | Netherlands | 35,256 | 251 | 1489, 1901, 1902 |
| Uitgeest | North Holland | Netherlands | 11,794 | 251 | 1911 |
| Velsen-Noord | North Holland | Netherlands | — | 251 | 1951, 1949, 1943, 1969 |