The code 0434 merged Bellingham (formerly 0660) and Haltwhistle (formerly 0498) with Hexham (already on 0434) into a single area. As part of the PhONEday changes on 16th April 1995 the code became 01434. 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.
Numbers |
Area |
| 0XXXXX | Bellingham |
| 1XXXXX | Bellingham |
| 2XXXXX | Bellingham |
| 3XXXXX | Haltwhistle |
| 4XXXXX | Bellingham |
| 5XXXXX | Haltwhistle |
| 6XXXXX | Hexham |
| 7XXXXX | Hexham |
| 8XXXXX | Hexham |
| 9XXXXX | Bellingham |