- 01242007467 : zero one two - four two zero - zero seven four six seven
- 01242269790 : zero one two - four two two - six nine seven nine zero
- 01242306004 : +44 1242 306004 Scam..
- 01242306005 : Spam....
- 01242306016 : zero one two - four two three - zero six zero one six
- 01242306018 : Spam....
- 01242306027 : zero one two - four two three - zero six zero two seven
- 01242306029 : Spam....
- 01242347273 : zero one two - four two three - four seven two seven three
- 01242387575 : zero one two - four two three - eight seven five seven five
- 01242388650 : zero one two - four two three - eight eight six five zero
- 01242508627 : zero one two - four two five - zero eight six two seven
- 01242531905 : zero one two - four two five - three one nine zero five
- 01242535923 : zero one two - four two five - three five nine two three
- 01242537073 : zero one two - four two five - three seven zero seven three
- 01242654000 : zero one two - four two six - five four zero zero zero
- 01242677195 : Received call from this no stating they were BT..
- 01242700922 : zero one two - four two seven - zero zero nine two two
- 01242894934 : zero one two - four two eight - nine four nine three four
- 01242903631 : zero one two - four two nine - zero three six three one
- 01242908258 : zero one two - four two nine - zero eight two five eight
1242 - Cheltenham
Cheltenham - 1242 unknown numbers service