| Locality | Post Code |
|---|---|
| Al Jurn, Al-Ka'im | 31 |
| Al Qa'im, Al-Ka'im | 31 |
| Al 'Ubaydi, Al-Ka'im | 31 |
| An Nahyah, Al-Ka'im | 31 |
| Artajah, Al-Ka'im | 31 |
| As Sammah, Al-Ka'im | 31 |
| Babiye, Al-Ka'im | 31 |
| Mish'al, Al-Ka'im | 31 |
| Qusaybah, Al-Ka'im | 31 |
| Sa'dah, Al-Ka'im | 31 |
| Shaqaqiyah, Al-Ka'im | 31 |