| Postal Code | Area | |
|---|---|---|
| 540-0001 | Shiromi (城見(次のビルを除く)) | View |
| 540-0002 | Osakajo (大阪城) | View |
| 540-0003 | Morinomiyachuo (森ノ宮中央) | View |
| 540-0004 | Tamatsukuri (玉造) | View |
| 540-0005 | Uemachi (上町) | View |
| 540-0006 | Hoenzaka (法円坂) | View |
| 540-0007 | Banbacho (馬場町) | View |
| 540-0008 | Otemae (大手前) | View |
| 540-0010 | Zaimokucho (材木町) | View |
| 540-0011 | Noninbashi (農人橋) | View |
| 540-0012 | Tani-machi (1-5 Chome) (谷町(1-5丁目)) | View |
| 540-0013 | Uchikyuhojimachi (内久宝寺町) | View |
| 540-0014 | Ryuzojicho (龍造寺町) | View |
| 540-0015 | Junikencho (十二軒町) | View |
| 540-0016 | Kanzakicho (神崎町) | View |
| 540-0017 | Matsuyamasumiyoshi (松屋町住吉) | View |
| 540-0018 | Kokawacho (粉川町) | View |
| 540-0019 | Izumimachi (和泉町) | View |
| 540-0021 | Otedori (大手通) | View |
| 540-0022 | Itoyamachi (糸屋町) | View |