1. We've gone ex-directory because we were receiving so many unwanted calls.

2. The number is ex-directory.

3. After several threatening calls, we decided to go ex-directory.

4. The main focus will be on ex-directory numbers, which mean that published directories are incomplete as listings of telephone-owning households.

5. Better still, if you live alone, have an ex-directory number.

6. Repeatedly she found he had rung the private, ex-directory line at Camilla's home Middlewich House.

7. They are constantly changing their numbers, or going ex-directory to stave off threatening calls.

8. It's a well-known fact that in Knutsford the Fire-Brigade is ex-directory.

9. Luce tore it open and read: When I tried to ring you I was told that the Diomede number is ex-directory.

10. Hopefully, he looked first for Rose Hilaire in the telephone book; no such name, so she must be ex-directory.

11. Through telephone enquiries he discovered that there were plenty of Carrows and Tremaynes in the county and not a few who were ex-directory.

12. He had also promised that he would not obtain Polly's new ex-directory telephone number.

13. Prescott said on Twitter that the Sunday Times political editor, Isabel Oakeshott, called his family home in Hull on an ex-directory number.

1. We've gone ex-directory because we were receiving so many unwanted calls.

2. The number is ex-directory.