Rimi Local Government Area in Katsina State uses postal codes ranging from 821301 to 821303.
Here are the postal codes for the towns and districts in Rimi:
| Location | Postal code |
| Abukar | 822103 |
| Majen-Gobir | 822103 |
| Allaraini | 822103 |
| Makurda | 822103 |
| Bardayya | 822103 |
| Makwalla | 822103 |
| Bujawa | 822103 |
| Masabo | 822103 |
| Dan Musa | 822103 |
| Remawa | 822103 |
| Eka | 822103 |
| Rimi | 822103 |
| Fardami | 822103 |
| Rimin Guza | 822103 |
| Iyatawa | 822103 |
| Sabob Gari | 822103 |
| Iyatawu | 822103 |
| Siyya | 822103 |
| Kadandani | 822103 |
| Tzegero | 822103 |
| Karare | 822103 |
| Kurabau | 822103 |
| Kuraye | 822103 |
| Lambar Rimi | 822103 |
| Madunka | 822103 |
| Magama | 822103 |