| Locality | Post Code |
|---|---|
| Londonderry, Derry and Strabane | BT47, BT48 |
| Magheramason, Derry and Strabane | BT47 |
| Maydown, Derry and Strabane | BT47 |
| Mournebeg, Derry and Strabane | BT81 |
| Newbuildings, Derry and Strabane | BT47 |
| Newtownstewart, Derry and Strabane | BT78 |
| Park, Derry and Strabane | BT47 |
| Plumbridge, Derry and Strabane | BT79 |
| Prehen Park, Derry and Strabane | BT47 |
| Rosemount, Derry and Strabane | BT48 0RX, BT48 0JG |
| Sion Mills, Derry and Strabane | BT82 |
| Slaghtmanus, Derry and Strabane | BT47 |
| Spamount, Derry and Strabane | BT81 |
| Strabane, Derry and Strabane | BT82 |
| Strathfoyle, Derry and Strabane | BT47 |
| The Collon, Derry and Strabane | BT48 7QY, BT48 7BB |
| Tullyally, Derry and Strabane | BT47 3QS, BT47 3QT, BT47 … |
| Victoria Bridge, Derry and Strabane | BT82 |
| Waterside, Derry and Strabane | BT47 |