| Localité | Code postal |
|---|---|
| Auchendinny, Midlothian | EH26 |
| Bilston, Midlothian | EH25 |
| Blackshiels, Midlothian | EH37 |
| Bonnyrigg, Midlothian | EH19 |
| Carrington, Midlothian | EH23 4LP, EH23 4LR, EH23 … |
| Cousland, Midlothian | EH22 |
| Craigesk, Midlothian | EH22 4TP |
| Dalkeith, Midlothian | EH22 |
| Danderhall, Midlothian | EH22 |
| Dewartown, Midlothian | EH23 4NX, EH23 4NY, EH23 … |
| Easter Howgate, Midlothian | EH26 0PE |
| Easthouses, Midlothian | EH22 |
| Edgehead, Midlothian | EH37 |
| Edinburgh Technopole, Midlothian | EH26 |
| Fala Dam, Midlothian | EH37 5SU |
| Fala Village, Midlothian | EH37 5SY |
| Ford, Midlothian | EH37 5RE |
| Gorebridge, Midlothian | EH23 |
| Gowkshill, Midlothian | EH23 |
| Howgate, Midlothian | EH26 8QB |
| Lasswade, Midlothian | EH18 |
| Leadburn, Midlothian | EH46 7BE |
| Loanhead, Midlothian | EH20 |
| Mayfield, Midlothian | EH22 |
| Milton Bridge, Midlothian | EH26 |
| Newbattle, Midlothian | EH22 |