Area Codes sa Boskoop
| Area Code▲ | Lungsod↕ | Namamahalang Rehiyon↕ | Populasyon ng Siyudad↕ | Bansa/Rehiyon | Oras ng Dako |
|---|---|---|---|---|---|
| 172 | Alphen aan den Rijn | Provincie Zuid-Holland | 70,251 | Netherlands | Europe/Amsterdam |
Mga Kalapit na Siyudad
| Lungsod | Rehiyon | Bansa | Populasyon | Area Codes | Postal Code |
|---|---|---|---|---|---|
| Alphen aan den Rijn | Provincie Zuid-Holland | Netherlands | 70,251 | 172 | 2401, 2402, 2403, 2404 |
| Bloemendaal | Provincie Zuid-Holland | Netherlands | 9,900 | 23 | — |
| Middelburg | Provincie Zuid-Holland | Netherlands | — | 118 | — |
| Reeuwijk | Provincie Zuid-Holland | Netherlands | 12,817 | 182 | 2811, 2804 |
| Waddinxveen | Provincie Zuid-Holland | Netherlands | 25,338 | 182 | 2741, 2742, 2743, 2391 |