| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Sandalpur, Purnia) | 854327 |
| Postal/ZIP Codes in Saranpur, Purnia) | 854311 |
| Postal/ZIP Codes in Satbita, Purnia) | 854311 |
| Postal/ZIP Codes in Single Tola, Purnia) | 854312 |
| Postal/ZIP Codes in Surjapur, Purnia) | 854311 |
| Postal/ZIP Codes in Tarabari, Purnia) | 854311 |