TN - Tonbridge
The postal area TN (Tonbridge) comprises of the following post towns; these towns should be written in capital letters when used in addresses.
Postal Districts within TN - Tonbridge
| Country | Post Town | Postal District |
| England | Tunbridge Wells | TN1 TN2 TN3 TN4 |
| Wadhurst | TN5 | |
| Crowborough | TN6 | |
| Hartfield | TN7 | |
| Edenbridge | TN8 | |
| Tonbridge | TN9 TN10 TN11 TN12 |
|
| Sevenoaks | TN13 TN14 TN15 |
|
| Westerham | TN16 | |
| Cranbrook | TN17 TN18 |
|
| Etchingham | TN19 | |
| Mayfield | TN20 | |
| Heathfield | TN21 | |
| Uckfield | TN22 | |
| Ashford | TN23 TN24 TN25 TN26 TN27 |
|
| New Romney | TN28 | |
| Romney Marsh | TN29 | |
| Tenterden | TN30 | |
| Rye | TN31 | |
| Robertsbridge | TN32 | |
| Battle | TN33 | |
| Hastings | TN34 TN35 |
|
| Winchelsea | TN36 | |
| St. Leonards | TN37 TN38 |
|
| Bexhill | TN39 TN40 |
