Area Codes in Holenderki
| Area Code▲ | City↕ | Administrative Region↕ | City Population↕ | Country/Region | Timezone |
|---|---|---|---|---|---|
| 63 | Konin | Greater Poland Voivodeship | 81,258 | Poland | Europe/Warsaw |
Nearby Cities
| City | Region | Country | Population | Area Codes | Postal Codes |
|---|---|---|---|---|---|
| Chodecz | Kuyavian-Pomeranian Voivodeship | Poland | 1,902 | 54 | 87-860 |
| Chrustowo, Koło County | Greater Poland Voivodeship | Poland | — | 61 | — |
| Długie, Greater Poland Voivodeship | Greater Poland Voivodeship | Poland | — | 13 | — |
| Kaleń Mała | Greater Poland Voivodeship | Poland | — | 63 | — |
| Strzygi | Kuyavian-Pomeranian Voivodeship | Poland | — | 56 | — |