Area Codes sa Olsberg
| Area Code▲ | Lungsod↕ | Namamahalang Rehiyon↕ | Populasyon ng Siyudad↕ | Bansa/Rehiyon | Oras ng Dako |
|---|---|---|---|---|---|
| 2904 | Olsberg | Hilagang Renania-Westfalia | 15,814 | Alemanya | Europe/Berlin |
| 2905 | Bestwig | Hilagang Renania-Westfalia | 11,764 | Alemanya | Europe/Berlin |
| 2962 | Olsberg | Hilagang Renania-Westfalia | 15,814 | Alemanya | Europe/Berlin |
| 2983 | Winterberg | Hilagang Renania-Westfalia | 14,601 | Alemanya | Europe/Berlin |
| 2985 | Winterberg | Hilagang Renania-Westfalia | 14,601 | Alemanya | Europe/Berlin |
Mga Kalapit na Siyudad
| Lungsod | Rehiyon | Bansa | Populasyon | Area Codes | Postal Code |
|---|---|---|---|---|---|
| Bestwig | Hilagang Renania-Westfalia | Alemanya | 11,764 | 2905, 2904, 2977 | 59909 |
| Brilon | Hilagang Renania-Westfalia | Alemanya | 27,030 | 2964, 2991, 2961, 2963 | 59929 |
| Brilon-Wald | Hilagang Renania-Westfalia | Alemanya | — | 2964 | — |
| Rüthen | Hilagang Renania-Westfalia | Alemanya | 11,299 | 2952, 2902, 2954 | 59602 |
| Willingen | Hesse | Alemanya | 6,564 | 5633, 5632 | 34508 |