| Area Code▲ | City↕ | Administrative Region↕ | City Population↕ | Country/Region | Timezone |
|---|
| 151 | Bikaner | Rajasthan | 576,015 | India | Asia/Kolkata |
| 1520 | Bikaner | Rajasthan | 576,015 | India | Asia/Kolkata |
| 1521 | Bikaner | Rajasthan | 576,015 | India | Asia/Kolkata |
| 1522 | Bikaner | Rajasthan | 576,015 | India | Asia/Kolkata |
| 1523 | Bikaner | Rajasthan | 576,015 | India | Asia/Kolkata |