美国邮政编码列表
| 州 | 城市 | 邮政编码 |
|---|---|---|
| IA | Lynnville | 50153 |
| IA | Mc Callsburg | 50154 |
| IA | Macksburg | 50155 |
| IA | Madrid | 50156 |
| IA | Malcom | 50157 |
| IA | Marshalltown | 50158 |
| IA | Martensdale | 50160 |
| IA | Maxwell | 50161 |
| IA | Melbourne | 50162 |
| IA | Melcher Dallas | 50163 |
| IA | Menlo | 50164 |
| IA | Millerton | 50165 |
| IA | Milo | 50166 |
| IA | Minburn | 50167 |
| IA | Mingo | 50168 |
| IA | Mitchellville | 50169 |
| IA | Monroe | 50170 |
| IA | Montezuma | 50171 |
| IA | Montour | 50173 |
| IA | Murray | 50174 |