| Place | Postal Code |
|---|---|
| Babhantoli, Kosi) | 852112 |
| Belari, Kosi) | 852114 |
| Besarh, Kosi) | 852112 |
| Bhawanipur, Kosi) | 852122 |
| Bhawanipur Jagir, Kosi) | 852122 |
| Bishunpur Korlahi, Kosi) | 852112 |
| Bishunpur Korlahi Arazi, Kosi) | 852112 |
| Bishunpur Korlahi Chakla, Kosi) | 852112 |
| Bishunpur Sundar, Kosi) | 852112 |
| Chainpur, Kosi) | 854304 |
| Chainpur Milik, Kosi) | 854202 |
| Chakla Gulam Abbas, Kosi) | 852112 |
| Datta Sardar Chakla, Kosi) | 852112 |
| Garhia, Kosi) | 852112 |
| Garhia Milik, Kosi) | 852112 |
| Gopipur Israin, Kosi) | 852112 |
| Guria, Kosi) | 852112 |
| Guria Milik, Kosi) | 852112 |
| Hanuman Nagar Chouraha, Kosi) | 852114 |
| Hanumannagar, Kosi) | 852114 |
| Israin, Kosi) | 852112 |
| Israin Kalan, Kosi) | 852112 |
| Israin Kalan Khas Mahal, Kosi) | 852112 |
| Kewatgawan, Kosi) | 852122 |
| Kumarkhand, Kosi) | 852112 |
| Lachhmipur Bhagwati, Kosi) | 852112 |
| Lachhmipur Bhagwati Milik, Kosi) | 852112 |
| Lachhmipur Chandi Asthan, Kosi) | 852122 |
| Lachhmipur Milik, Kosi) | 852122 |
| Mangarwara, Kosi) | 852112 |
| Postal Codes in Madhepura | |
|---|---|
| Alamnagar | |
| Bihariganj | |
| Chausa | |
| Gamharia | |
| Ghailarh | |
| Gwalpara | |
| Kishanganj | |
| Kumarkhand | |
| Madhepura | |
| Murliganj | |
| Puraini | |
| Shankarpur | |
| Singheshwar | |