Sectors in TD12
| Sector | Main place | Postcodes |
|---|---|---|
| TD12 4 | Coldstream | 238 |
| TD12 9 | Coldstream | 1 |
Places covered by TD12
- Coldstream Scottish Borders · 83
- Cornhill on Tweed Northumberland · 18
- Leitholm Scottish Borders · 9
- Crookham Northumberland · 8
- Branxton Northumberland · 6
- Wark Northumberland · 6
- Birgham Scottish Borders · 5
- Etal Northumberland · 3
- Lennel Scottish Borders · 2
- Carham Northumberland · 1
- Kilham Northumberland · 1
- Mardon Northumberland · 1
- Mindrum Northumberland · 1
- Pawston Northumberland · 1
- Swintonmill Scottish Borders · 1
- West Learmouth Northumberland · 1