| postcode | placename |
| 6990764 | uryuu, hikawaguntaishamachi |
| 6990762 | udo, hikawaguntaishamachi |
| 6990700 | ikanikeisaiganaibaai, hikawaguntaishamachi |
| 6990702 | kidukikita, hikawaguntaishamachi |
| 6990722 | kitaaraki, hikawaguntaishamachi |
| 6990731 | youkan, hikawaguntaishamachi |
| 6990701 | kidukihigashi, hikawaguntaishamachi |
| 6990711 | kidukiminami, hikawaguntaishamachi |
| 6990751 | kidukinishi, hikawaguntaishamachi |
| 6990741 | nakaaraki, hikawaguntaishamachi |
| 6990763 | hinomisaki, hikawaguntaishamachi |
| 6990721 | shuurimen, hikawaguntaishamachi |
| 6990761 | sagiura, hikawaguntaishamachi |
| 6990733 | hishine, hikawaguntaishamachi |
| 6990732 | nyuunan, hikawaguntaishamachi |
| 6990764 | uryuu, hikawaguntaishamachi |
| 6990762 | udo, hikawaguntaishamachi |
| 6990700 | ikanikeisaiganaibaai, hikawaguntaishamachi |
| 6990702 | kidukikita, hikawaguntaishamachi |
| 6990722 | kitaaraki, hikawaguntaishamachi |
| 6990731 | youkan, hikawaguntaishamachi |
| 6990701 | kidukihigashi, hikawaguntaishamachi |
| 6990711 | kidukiminami, hikawaguntaishamachi |
| 6990751 | kidukinishi, hikawaguntaishamachi |
| 6990741 | nakaaraki, hikawaguntaishamachi |
| 6990763 | hinomisaki, hikawaguntaishamachi |
| 6990721 | shuurimen, hikawaguntaishamachi |
| 6990761 | sagiura, hikawaguntaishamachi |
| 6990733 | hishine, hikawaguntaishamachi |
| 6990732 | nyuunan, hikawaguntaishamachi |
