| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Al Khafji, Al-Khafji (الخفجي) | 39241, 39242, 39244, 39245, 39246, … |
| Postal/ZIP Codes in As Saffaniyah, Al-Khafji (السفانية) | 39213, 39214, 39221, 39222 |
| Postal/ZIP Codes in Munifah, Al-Khafji (منيفة) | 37286 |
| Postal/ZIP Codes in Qaryat Al 'Ulya, Al-Khafji (قرية العليا) | 37968 |