| 普通话 | cmn-000 |
| 罗克福德 | |
| বাংলা | ben-000 | রকফোর্ড, ইলিনয় |
| Deutsch | deu-000 | Rockford |
| English | eng-000 | Rockford |
| français | fra-000 | Rockford |
| Ido | ido-000 | Rockford |
| italiano | ita-000 | Rockford |
| lengua lumbarda | lmo-000 | Rockford |
| Nederlands | nld-000 | Rockford |
| polski | pol-000 | Rockford |
| português | por-000 | Rockford |
| lingua siciliana | scn-000 | Rockford |
| svenska | swe-000 | Rockford |
| Volapük | vol-000 | Rockford |