| Code | Name | Region |
|---|---|---|
| CNTNP | Tianpeng | YN |
| CNTSU | Tianshui | GS |
| CNTIA | Tiantai | 33 |
| CNTIY | Tianyang | GX |
| CNTZE | Tianzhen | HB |
| CNTLI | Tieli | HL |
| CNTPK | Taipingkou | HB |
| CNTPW | Taipingwan | LN |
| CNTIS | Taishan | GD |
| CNTSA | Taishan | SD |
| CNTAX | Taixing | JS |
| CNTAY | Taiyang | ZJ |
| CNTYU | Taiyuan | SX |
| CNTYN | Taiyuan Wusu International Apt | SX |
| CNTZO | Taizhou | JS |
| CNTZU | Taizhou | JS |
| CNTAZ | Taizhou Pt | ZJ |
| CNTNO | Tanggou | AH |
| CNTGG | Tanggu | TJ |
| CNTJA | Tangjia | GD |
| CNTGK | Tangkou | GD |
| CNTGS | Tangshan Pt | HE |
| CNTGX | Tangxi | GD |
| CNTXA | Tangxia | GD |
| CNQNH | Tanmen | HI |
| CNYKU | Taokou | AH |
| CNSNN | Suining | SC |
| CNSUX | Suixi | 44 |
| CNSIZ | Suizhong | LN |
| CNSUU | Suizhou | HB |
| CNWUX | Sunan Shuofang International Apt | JS |
| CNSUW | Sunwu | HL |
| CNSUQ | Suqian | JS |
| CNSUH | Suzhou | AH |
| CNSUZ | Suzhou | GS |
| CNSZH | Suzhou | JS |
| CNSZG | Suzhou Pt | JS |
| CNTCS | Tacheng | XJ |
| CNTPO | Tai Po | HK |
| CNTAI | Taian | SD |
| CNTAC | Taicang Pt | JS |
| CNTHG | Taicheng (taishan) | GD |
| CNTHE | Taihe | AH |
| CNTJG | Taijiang | FJ |
| CNTAP | Taiping | GD |
| CNSJT | Sijitun | 23 |
| CNSKG | Sikeng | GD |
| CNSKS | Sikuaishi | LN |
| CNSYM | Simao | YN |
| CNSPG | Siping | 21 |