FK - Falkirk
The postal area FK (Falkirk) comprises of the following post towns; these towns should be written in capital letters when used in addresses.
Postal Districts within FK - Falkirk
| Country | Post Town | Postal District |
| Scotland | Falkirk | FK1 FK2 |
| Grangemouth | FK3 | |
| Bonnybridge | FK4 | |
| Larbert | FK5 | |
| Denny | FK6 | |
| Stirling | FK7 FK8 |
|
| Bridge of Allen | FK9 | |
| Alloa Clackmannan |
FK10 | |
| Menstrie | FK11 | |
| Alva | FK12 | |
| Tillicoutry | FK13 | |
| Dollar | FK14 | |
| Dunblane | FK15 | |
| Doune | FK16 | |
| Callander | FK17 | |
| Strathyre | FK18 | |
| Lochearnhead | FK19 | |
| Crianlarich | FK20 | |
| Killin | FK21 |
