Area Codes in Nitra Region
| Area Code▲ | City↕ | Administrative Region↕ | City Population↕ | Country/Region | Timezone |
|---|---|---|---|---|---|
| 31 | Dunajská Streda | Trnava Region | 23,639 | Slovakia | Europe/Bratislava |
| 35 | Nové Zámky | Nitra Region | 42,044 | Slovakia | Europe/Bratislava |
| 36 | Levice | Nitra Region | 37,574 | Slovakia | Europe/Bratislava |
| 37 | Nitra | Nitra Region | 86,329 | Slovakia | Europe/Bratislava |
| 38 | Topoľčany | Nitra Region | — | Slovakia | Europe/Bratislava |
| 42 | Považská Bystrica | Trenčín Region | 43,936 | Slovakia | Europe/Bratislava |
| 46 | Prievidza | Nitra Region | 52,987 | Slovakia | Europe/Bratislava |