| Code | Name | Region |
|---|---|---|
| CHBSF | Bassersdorf | ZH |
| CHBKD | Batterkinden | BE |
| CHQBA | Bauma | ZH |
| CHBZH | Bazenheid | SG |
| CHBEA | Beatenberg | BE |
| CHBCR | Beckenried | NW |
| CHBDN | Bedano | TI |
| CHBGA | Bedigliora | TI |
| CH5BM | Beinwil Am See | AG |
| CHBFX | Belfaux | FR |
| CHBEL | Bellach | SO |
| CHBLV | Bellevue | GE |
| CHBZA | Bellinzona | TI |
| CHBLL | Bellmund | BE |
| CHBAR | Baar | ZG |
| CHBAH | Bach | SZ |
| CHBAB | Bachenbulach | ZH |
| CHBRZ | Bad Ragaz | SG |
| CHBZZ | Bad Zurzach | AG |
| CHBAD | Baden | AG |
| CHBLA | Balerna | TI |
| CHBAL | Balgach | SG |
| CHBLI | Ballaigues | VD |
| CHBLS | Ballens | VD |
| CHBA8 | Ballwil | LU |
| CHBST | Balsthal | SO |
| CHBWI | Balterswil | TG |
| CHBTS | Baltschieder | VS |
| CHBWL | Bannwil | BE |
| CHBAU | Barau | BE |
| CHBDX | Bardonnex | GE |
| CHBRL | Baretswil | ZH |
| CHBAG | Bargen | BE |
| CHBGN | Bargen | SH |
| CHARS | Arosa | GR |
| CHARH | Arth | SZ |
| CHAVO | Arvigo | GR |
| CHARZ | Arzier | VD |
| CHAZO | Arzo | TI |
| CHASC | Ascona | TI |
| CHASS | Assens | VD |
| CHAT2 | Athenaz | GE |
| CHTTK | Attikon | ZH |
| CHAUS | Au | SG |
| CHAUU | Au | TG |
| CHAUT | Au | ZH |
| CHABO | Aubonne | VD |
| CHAGT | Augst | BL |
| CHAUL | Auslikon | ZH |
| CHAVI | Auvernier | NE |