4 Area Code
| Detailed Information |
|---|
| Neighborhoods:Alna, Bergenhus, Frogner, Fyllingsdalen, Gamle Oslo, Grünerløkka, Majorstuen, Nordstrand, Sagene, Sankt Hanshaugen, Sentrum, Søndre Nordstrand, Ullern, Østensjø |
| Timezone:Central European Summer Time |
| Local Time:Wednesday 10:31 AM |
| Related Area Codes:31, 32, 33, 35, 37, 38 |
