Malumfashi is one of the thirty-four (34) Local Government Areas (LGAs) in Katsina State, Nigeria.
There are several areas located within the LGA that make use of the same postal or zip codes.
Here are the postcodes for Malumfashi LGA:
| Location | Postcode |
| Tashar Ali | 832101 |
| Tashar Fulani | 832101 |
| Wanzamai | 832101 |
| Ya-Kwakare | 832101 |
| Yaba | 832101 |
| Yan Mama | 832101 |
| Yan-Janku | 832101 |
| Yan-Mama | 832101 |
| Yar Tashi | 832101 |
| Yaro | 832101 |
| Zamzago | 832101 |
| Rereji | 832101 |
| Ruwan Sanyi | 832101 |
| Sabon Gari | 832101 |
| Salihawa | 832101 |
| Agagiwa | 832101 |
| Kuringaja | 832101 |
| Allah Madagara | 832101 |
| Kurmin Gafa | 832101 |
| Almakiyayi | 832101 |
| Kurmin Yan Daddawa | 832101 |
| Birin Dawa | 832101 |
| Lamintani | 832101 |
| Dan-Sarai | 832101 |
| Layin Ministra | 832101 |
| Dayi | 832101 |
| M-Kankara | 832101 |
| Dinyar Makeri | 832101 |
| Makaurachi | 832101 |
| Dogon Marke | 832101 |
| Malumfashi A | 832101 |
| Fanisau | 832101 |
| Malumfashi B | 832101 |
| Gamzaga | 832101 |
| Marmara | 832101 |
| Gandum Karfi | 832101 |
| Na-Alama | 832101 |
| Gangara | 832101 |
| Na-alma | 832101 |
| Gora | 832101 |
| Gorar-Dansaka | 832101 |
| Gwanamarde | 832101 |
| Karfi | 832101 |
