| Locality | Post Code |
|---|---|
| Newtongrange, Midlothian | EH22 |
| Nine Mile Burn, Midlothian | EH26 |
| North Middleton, Midlothian | EH23 |
| Oxenfoord, Midlothian | EH37 |
| Pathhead, Midlothian | EH37 |
| Penicuik, Midlothian | EH26 |
| Prestonhall, Midlothian | EH37 |
| Rosewell, Midlothian | EH24 |
| Roslin, Midlothian | EH25 |
| Rosslynlee, Midlothian | EH25 9QF |
| Silverburn, Midlothian | EH26 |
| Straiton, Midlothian | EH20 |
| Temple, Midlothian | EH23 |
| Tynehead, Midlothian | EH37 |
| Whitehill, Midlothian | EH22 |
| Woolmet, Midlothian | EH22 |