| Place | Postal Code |
|---|---|
| 千田 (Chida, Chiba) | 289-2246 |
| 船越 (Funakoshi, Chiba) | 289-2244 |
| 御所台 (Goshodai, Chiba) | 289-2315 |
| 五反田 (Gotanda, Chiba) | 289-2234 |
| 林 (Hayashi, Chiba) | 289-2233 |
| 東松崎 (Higashimatsusaki, Chiba) | 289-2321 |
| 桧木 (Hinoki, Chiba) | 289-2302 |
| 一鍬田 (Hitokuwada, Chiba) | 289-2236, 282-0031 |
| 方田 (Hoda, Chiba) | 289-2323 |
| 出沼 (Idenuma, Chiba) | 289-2301 |
| 井戸山 (Idoyama, Chiba) | 289-2317 |
| 飯笹 (Iizasa, Chiba) | 289-2231 |
| 川島 (Kawashima, Chiba) | 289-2324 |
| 喜多 (Kita, Chiba) | 289-2232 |
| 北中 (Kitanaka, Chiba) | 289-2251 |
| 間倉 (Magura, Chiba) | 289-2235 |
| 南借当 (Minamikariate, Chiba) | 289-2253 |
| 南中 (Minaminaka, Chiba) | 289-2257 |
| 南並木 (Minaminamiki, Chiba) | 289-2255 |
| 南玉造 (Minamitamatsukuri, Chiba) | 289-2325 |
| 南和田 (Minamiwada, Chiba) | 289-2252 |
| 水戸 (Mito, Chiba) | 289-2247 |
| 本三倉 (Motomikura, Chiba) | 289-2311 |
| 中村新田 (Nakamurashinden, Chiba) | 289-2256 |
| 西古内 (Nishifuruchi, Chiba) | 289-2314 |
| 大門 (Okado, Chiba) | 289-2303 |
| 大高 (Otaka, Chiba) | 289-2305 |
| その他 (Others, Chiba) | 289-2200 |
| 坂 (Saka, Chiba) | 289-2322 |
| 谷三倉 (Sakumikura, Chiba) | 289-2312 |
| Postal Codes in Katori | |
|---|---|
| Kozaki (神崎町) | |
| Tako (多古町) | |
| Tonosho (東庄町) | |