Garki is one of the 27 Local Government Areas (LGAs) in Jigawa State, Nigeria. Its headquarters is located in the town of Garki.
All the areas located within the LGA make use of the same postal or zip codes.
Here are the postcodes for Garki LGA:
| Location | Postcode |
| Ung. Maigari | 733101 |
| Musa Ta Rumawa | 733101 |
| Ung. Rodo | 733101 |
| Nadanawa | 733101 |
| Walawa | 733101 |
| Rafin Marke | 733101 |
| Yan Barage | 733101 |
| Siyori | 733101 |
| Yan Wahabi | 733101 |
| Sugumgum | 733101 |
| Yar Kureshe | 733101 |
| Tagawayan Fage | 733101 |
| Zaidawa | 733101 |
| Tagwaye | 733101 |
| Zakoli | 733101 |
| Tahaiji | 733101 |
| Zango | 733101 |
| Tankari | 733101 |
| Tawilawa | 733101 |
| Tuya | 733101 |
| Unbnono | 733101 |
| Unbono-Tsohuwa | 733101 |
| Ung. Bako | 733101 |
| Ung. Dudi | 733101 |
| Gashi | 733101 |
| Kargo | 733101 |
| Kyasora | 733101 |
| Muku | 733101 |
| Gayawa | 733101 |
| Katirje | 733101 |
| Laika | 733101 |
| Gidan Maza | 733101 |
| Kattgo | 733101 |
| Lautai | 733101 |
| Guddan | 733101 |
| Kiliya | 733101 |
| Madangala | 733101 |
| Guraji | 733101 |
| Kita | 733101 |
| Mahemi | 733101 |
| Gwadiyawa | 733101 |
| Koguram | 733101 |
| Mahoni | 733101 |
| Gwandai | 733101 |
| Kore | 733101 |
| Mai-Gagaffa | 733101 |
| Gwarzo | 733101 |
| Koyoma | 733101 |
| Maiganta | 733101 |
| Haladadarwa | 733101 |
| Kududufawa | 733101 |
| Maigora | 733101 |
| Jafigari | 733101 |
| Kuguran-Sabuwa | 733101 |
| Maikaho | 733101 |
| Jan Gari | 733101 |
| Kukar Kuturu | 733101 |
| Maiwando | 733101 |
| Jema | 733101 |
| Kuranbanin | 733101 |
| Maizaure | 733101 |
| Jirima | 733101 |
| Kurgungun | 733101 |
| Makangawa | 733101 |
| Juya | 733101 |
| Kuttu | 733101 |
| Makidaka | 733101 |
| Kanya | 733101 |
| Kwadage | 733101 |
| Mala | 733101 |
| Garki | 733101 |
| Kanyar | 733101 |
| Kwanarya | 733101 |
| Marke | 733101 |
| Ajun | 733101 |
| Doguwarkula | 733101 |
| Babande | 733101 |
| Doko | 733101 |
| Bakar sabara | 733101 |
| Dorai | 733101 |
| Baki | 733101 |
| Dosano | 733101 |
| Balarabe | 733101 |
| Dukawa | 733101 |
| Bargoza | 733101 |
| Dundu | 733101 |
| Batakashi | 733101 |
| Dundube | 733101 |
| Bunji | 733101 |
| Dunguzu | 733101 |
| Chakurawa | 733101 |
| Fadikabara | 733101 |
| Dahuwar | 733101 |
| Faggen Gawo | 733101 |
| Dakache | 733101 |
| Farakami | 733101 |
| Dan Musa | 733101 |
| Gabari | 733101 |
| Dan-Dagura | 733101 |
| Gako | 733101 |
| Danikani | 733101 |
| Galadima | 733101 |
| Dantsoro | 733101 |
| Garau | 733101 |
| Aduwa | 733101 |
| Dinya | 733101 |