| Code | Name | Region |
|---|---|---|
| CNYLA | Yuelai | HL |
| CNYPU | Yuepu | GD |
| CNYUE | Yueqing | ZJ |
| CNYXN | Yuexiunan | GD |
| CNYYU | Yuexu | GX |
| CNYYA | Yueyang | HN |
| CNYHN | Yuhang | 12 |
| CNYUH | Yuhuan | ZJ |
| CNYCA | Yingchuan | JS |
| CNYGD | Yingde | GD |
| CNYGJ | Yingjiang | YN |
| CNYGT | Yingtan | JX |
| CNLJY | Yingzai | GD |
| CNYIN | Yining | XJ |
| CNYIK | Yinkou | LN |
| CNYHU | Yishui | SD |
| CNYIU | Yiwu | ZJ |
| CNYXA | Yixian | 13 |
| CNYXS | Yixing | JS |
| CNYIG | Yiyang | HN |
| CNYIZ | Yizheng | JS |
| CNYZA | Yizhuang | BJ |
| CNYGN | Yongan | ZJ |
| CNYOX | Yong'an | FJ |
| CNYFU | Yongfu | GX |
| CNONG | Yongji | 61 |
| CNYOJ | Yongjia | 33 |
| CNYKN | Yongkang | ZJ |
| CNYNJ | Yanji Chaoyangchuan Apt | JL |
| CNYJA | Yanjia | GZ |
| CNYLG | Yanliang | SN |
| CNYAT | Yantai | SD |
| CNYNT | Yantai Laishan International Apt | SD |
| CNYTG | Yantai Pt | SD |
| CNYTN | Yantian Pt | GD |
| CNYHO | Yanzhou | SD |
| CNYGO | Yaogou | AH |
| CNYJP | Yaojia Pt | HB |
| CNYIB | Yibin | SC |
| CNYBP | Yibin Caiba Apt | SC |
| CNYIC | Yichang | HB |
| CNYCG | Yichang Pt | HB |
| CNYIH | Yichang Sanxia Apt | HB |
| CNYKS | Yierkeshi | XJ |
| CNYRK | Yierkeshitan | XJ |
| CNYLN | Yilan Apt | HL |
| CNYCH | Yinchuan | NX |
| CNINC | Yinchuan Hedong International Apt | NX |
| CNYCN | Yangchun | GD |
| CNYJC | Yangjiachang | HB |