| Code | Name | Region |
|---|---|---|
| CHWGG | Eggenwil | AG |
| CHEGI | Eggiwil | BE |
| CHGWF | Eglisau | ZH |
| CHEGL | Egliswil | AG |
| CHEHR | Ehrendingen | AG |
| CHEIK | Eiken | AG |
| CHEGE | Einigen | BE |
| CHESD | Einsiedeln | SZ |
| CHEGG | Elgg | ZH |
| CHEDT | Ellikon An Der Thur | ZH |
| CHELU | Elsau | ZH |
| CHEBH | Embrach | ZH |
| CHZET | Embrach-embraport | ZH |
| CHEMM | Emmen | LU |
| CHDTO | Dottikon | AG |
| CHDOT | Dottingen | AG |
| CHDTZ | Dotzigen | BE |
| CHDOZ | Dozwil | TG |
| CHDRF | Dubendorf | ZH |
| CHDIG | Dudingen | FR |
| CHDGI | Duggingen | BL |
| CHDIN | Dulliken | SO |
| CHDLL | Dully | VD |
| CHDTN | Durnten | ZH |
| CHDNA | Durrenasch | AG |
| CHDUS | Dussnang | TG |
| CHEBE | Ebersecken | LU |
| CHEIN | Ebikon | LU |
| CHEKP | Ebnat-kappel | SG |
| CHEVD | Echallens | VD |
| CHECH | Echandens | VD |
| CHEFV | Echichens | VD |
| CHEGS | Eclagnens | VD |
| CHECL | Eclepens | VD |
| CHDKN | Dierikon | LU |
| CHDIB | Diesbach | GL |
| CHDSB | Diessbach | BE |
| CHDSH | Diessenhofen | TG |
| CHDTL | Dieterswil | BE |
| CHDIE | Dietikon | ZH |
| CHDLK | Dietlikon | ZH |
| CHDTW | Dietwil | AG |
| CHDNH | Dinhard | ZH |
| CHDTK | Dintikon | ZH |
| CHDIS | Disentis/muster | GR |
| CHDTT | Dittingen | BL |
| CHDMT | Domat | GR |
| CHDOM | Dombresson | NE |
| CHDDR | Domdidier | FR |
| CHDZ8 | Dongio | TI |