| Code | Name | Region |
|---|---|---|
| DETGB | Tegernbach | BY |
| DEZHQ | Tegernheim | BY |
| DETEG | Tegernsee | BY |
| DETWD | Teichwolframsdorf | TH |
| DEZIO | Teising | BY |
| DETAS | Taching Am See | BY |
| DETAG | Tagmersheim | BY |
| DETLH | Talheim | BW |
| DE53M | Talkau | SH |
| DEZHC | Tambach-dietharz | TH |
| DETAM | Tamm | BW |
| DETGH | Tangerhutte | ST |
| DETAE | Tangermunde | ST |
| DE57X | Tangstedt | SH |
| DETNB | Tann | BY |
| DETAA | Tanna | TH |
| DENNA | Tannan | TH |
| DETN6 | Tannenberg | SN |
| DETAB | Tannenbergsthal | SN |
| DE79T | Tannhausen | BW |
| DETAH | Tannheim | BW |
| DETAN | Tantow | BB |
| DETPF | Tapfheim | BY |
| DETPP | Tappenbeck | NI |
| DETRY | Tappendorf | SH |
| DEZGY | Sulzhayn | TH |
| DESHQ | Sulzheim | RP |
| DESNC | Sunching | BY |
| DESER | Sundern | NW |
| DESNN | Sundern/hochsauerlandkreis | NW |
| DESU7 | Sunna | TH |
| DEXSN | Sunninghausen | |
| DESUP | Suptitz | SN |
| DESRM | Surheim | BY |
| DESUR | Surwold | NI |
| DESUX | Susel | SH |
| DESUS | Sussen | BW |
| DEXZ3 | Sustrum | NI |
| DESWA | Swisttal | NW |
| DESYK | Syke | NI |
| DESYT | Sylt | SH |
| DESYG | Syrgenstein | BY |
| DETHZ | Tabarz | TH |
| DETAR | Taben | RP |
| DETTG | Tacherting | BY |
| DE59G | Sulfeld | SH |
| DESUN | Sulingen | NI |
| DESU9 | Sulz | BY |
| DESMC | Sulz Am Neckar | BW |
| DESUH | Sulzach | BY |