# Faker::NationalHealthService

The NHS sets aside a range of numbers from 999 000 0000 to 999 999 9999 for
test purposes. For more details, see [NHS Digital documentation about
synthetic data](https://digital.nhs.uk/services/e-referral-service/document-library/synthetic-data-in-live-environments#synthetic-data-naming-convention).

```ruby
Faker::NationalHealthService.british_number #=> "999 464 0232"
```
