| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Kazamakicho (福井市) | 910-3622 |
| Postal/ZIP Codes in Kazaocho (福井市) | 910-3516 |
| Postal/ZIP Codes in Kazuenakacho (福井市) | 918-8166 |
| Postal/ZIP Codes in Kentoku (福井市) | 910-0021 |
| Postal/ZIP Codes in Keya (福井市) | 918-8003 |
| Postal/ZIP Codes in Kida (福井市) | 918-8105 |
| Postal/ZIP Codes in Kidacho (福井市) | 918-8106 |
| Postal/ZIP Codes in Kidonochicho (福井市) | 910-2153 |
| Postal/ZIP Codes in Kinoshitacho (福井市) | 910-3147 |
| Postal/ZIP Codes in Kishimizucho (福井市) | 910-0042 |
| Postal/ZIP Codes in Kitahoricho (福井市) | 918-8072 |
| Postal/ZIP Codes in Kitaimaizumicho (福井市) | 918-8212 |
| Postal/ZIP Codes in Kitanaraharacho (福井市) | 910-0045 |
| Postal/ZIP Codes in Kitanokamicho (福井市) | 910-0815 |
| Postal/ZIP Codes in Kitanoshimocho (福井市) | 910-0814 |
| Postal/ZIP Codes in Kitasugocho (福井市) | 910-3385 |
| Postal/ZIP Codes in Kitayamacho (福井市) | 919-0317 |
| Postal/ZIP Codes in Abakacho (福井市) | 910-2152 |