| Locality | Post Code |
|---|---|
| King Fahad Causway, Northern | 1095 |
| Magaba, Northern | 505, 507, 509, 513 |
| Malkiya, Northern | 1032, 1033, 1034 |
| Maqsha, Northern | 450 |
| Markh, Northern | 529, 531, 533 |
| New districts, Northern | 1218, 515 |
| North City, Northern | 532, 534, 535 |
| Northern City, Northern | 580, 581, 582, 583, 584, … |
| Northern Sehla, Northern | 439, 441 |
| Qadam, Northern | 447, 449, 453 |
| Quraya, Northern | 545, 547, 549, 551 |
| Saar (صعر), Northern | 517, 521, 523, 525, 527 |
| Sadaq, Northern | 1037 |
| Safriya, Northern | 1041 |
| Salmabad, Northern | 702, 704, 706, 708, 712 |
| Shahrakan, Northern | 1042, 1044 |
| Um Al Naasan, Northern | 1089 |