Area Codes sa Sommelsdijk
| Area Code▲ | Lungsod↕ | Namamahalang Rehiyon↕ | Populasyon ng Siyudad↕ | Bansa/Rehiyon | Oras ng Dako |
|---|---|---|---|---|---|
| 187 | Middelharnis | Provincie Zuid-Holland | 17,554 | Netherlands | Europe/Amsterdam |
Mga Kalapit na Siyudad
| Lungsod | Rehiyon | Bansa | Populasyon | Area Codes | Postal Code |
|---|---|---|---|---|---|
| Dirksland | Provincie Zuid-Holland | Netherlands | 4,500 | 187 | 3247, 3249 |
| Hellevoetsluis | Provincie Zuid-Holland | Netherlands | 21,927 | 181 | 3220, 3221, 3222, 3223 |
| Melissant | Provincie Zuid-Holland | Netherlands | — | 187 | 3248 |
| Middelharnis | Provincie Zuid-Holland | Netherlands | 17,554 | 187 | 3241, 3245 |
| Nieuwe-Tonge | Provincie Zuid-Holland | Netherlands | — | 187 | 3244 |