| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Saidpur Urf Purkhotimpur, Darbhanga) | 848505 |
| Postal/ZIP Codes in Sarangpur, Darbhanga) | 848505 |
| Postal/ZIP Codes in Songar, Darbhanga) | 848122 |
| Postal/ZIP Codes in Subhan Chak, Darbhanga) | 848122 |
| Postal/ZIP Codes in Sultanpur Morwa, Darbhanga) | 848121 |
| Postal/ZIP Codes in Tikuna, Darbhanga) | 848505 |
| Postal/ZIP Codes in Udaipur, Darbhanga) | 848114, 848127 |
| Postal/ZIP Codes in Waina, Darbhanga) | 848122 |