| Code | Name | Region |
|---|---|---|
| CHCEX | Chexbres | VD |
| CHRYC | Cheyres | FR |
| CHCSM | Chezard-st-martin | NE |
| CHCHI | Chiasso | TI |
| CHBZG | Butzberg | BE |
| CHCAP | Cadempino | TI |
| CHCAD | Cadenazzo | TI |
| CHCDR | Cadro | TI |
| CHCAM | Campascio | GR |
| CHCCG | Campocologno | GR |
| CHCAN | Canobbio | TI |
| CHCPL | Capolago | TI |
| CHCRG | Carouge | GE |
| CHCAR | Cartigny | GE |
| CHCSO | Caslano | TI |
| CHCAS | Castasegna | GR |
| CHPIE | Castel San Pietro | TI |
| CHCTE | Castione | TI |
| CH4CE | Celigny | GE |
| CHHHM | Cham | ZG |
| CHCMY | Chambesy | GE |
| CHCBN | Chamblon | VD |
| CHCBR | Chambrielien | NE |
| CHCHM | Chamoson | VS |
| CHBUO | Buonas | ZG |
| CHBHN | Burchen | VS |
| CHBUE | Buren | SO |
| CHBUD | Buren An Der Aare | BE |
| CHBRG | Burg | AG |
| CHBGF | Burgdorf | BE |
| CHBSK | Burgenstock | NW |
| CHBGL | Burglen | TG |
| CHBZE | Buron | LU |
| CHBUR | Bursinel | VD |
| CHBSN | Bursins | VD |
| CHBSH | Busserach | SO |
| CHBUS | Bussigny-pres-lausanne | VD |
| CHBUU | Bussnang | TG |
| CHBSU | Busswil | BE |
| CHBSW | Butschwil | SG |
| CHBUT | Buttes | NE |
| CHBTK | Buttikon | SZ |
| CHBUN | Buttikon | AG |
| CHJBZ | Buttisholz | LU |
| CHBUG | Brugg | BE |
| CHRGG | Brugg | BE |
| CHBNG | Brunegg | AG |
| CHBRU | Brunnen | SZ |
| CHBSO | Brusio | GR |
| CHBTT | Brutten | ZH |