| Code | Name | Region |
|---|---|---|
| DEIEE | Ilsede | NI |
| DEIBU | Ilsenburg | ST |
| DEFLD | Ilsfeld | BW |
| DEZRU | Hutschenhausen | RP |
| DE59L | Huttblek | SH |
| DEZHT | Huttenberg | HE |
| DEZHM | Huttenheim | BW |
| DEHUM | Hutthurm | BY |
| DEHZZ | Huttingen | BW |
| DEHTM | Huttisheim | BW |
| DEHTG | Huttlingen | BW |
| DEIBB | Ibbenburen | NW |
| DEIEH | Ichenhausen | BY |
| DECIH | Ichenheim | BW |
| DEICH | Ichtershausen | TH |
| DECKG | Icking | BY |
| DEION | Idar-oberstein | RP |
| DEIDS | Idstein | HE |
| DEIDF | Iffeldorf | BY |
| DEIFF | Iffezheim | BW |
| DEIFA | Ifta | TH |
| DEIGE | Igenhausen | BY |
| DEIGD | Igensdorf | BY |
| DEHFW | Hundsdorf | RP |
| DEHSU | Hundsmuhlen | NI |
| DEHU4 | Hunfeld | HE |
| DEHUD | Hunfeld | HE |
| DEHFN | Hunfelden | HE |
| DEHUG | Hungen | HE |
| DE38X | Hungen-inheiden | HE |
| DEUDL | Hunoldstal | HE |
| DEHUX | Hunsborn | NW |
| DEHU7 | Hunstetten | HE |
| DEHUN | Huntebruck | NI |
| DEHB3 | Hunteburg | NI |
| DEHXE | Hunxe | NW |
| DEYHH | Hurlach | BY |
| DEHGW | Hurtgenwald | NW |
| DEHUE | Hurth | NW |
| DE2HU | Hurup | SH |
| DE72X | Husby | SH |
| DEUSU | Husum | NI |
| DEHUS | Husum | SH |
| DEHS4 | Hoym | ST |
| DEHRO | Hubertushohe | BB |
| DEHUJ | Hubitz | ST |
| DEHVN | Huckelhoven | NW |
| DEHWG | Huckeswagen | NW |
| DEDHU | Huckingen | NW |
| DEUDS | Hude | NI |