The code 0686 merged Llanidloes exchanges (formerly 0551X) with Newtown (already on 0686) into a single area. As part of the PhONEday changes on 16th April 1995 the code became 01686. Numbers within each area can be identified by the first digit of the number after the code as shown below. Calls between these two areas (except numbers beginning 0 or 1) can be made without using the code. Note, initially numbers beginning with 45 were in Newtown, but these were eventually migrated to numbers starting with 6.
Numbers |
Area |
| 0XXXXX | Newtown |
| 1XXXXX | Newtown |
| 2XXXXX | Llanidloes |
| 3XXXXX | Llanidloes |
| 4XXXXX | Llanidloes |
| 5XXXXX | Newtown |
| 6XXXXX | Newtown |
| 7XXXXX | Llanidloes |
| 8XXXXX | Newtown |
| 9XXXXX | Newtown |