| Code | DEF | Operator | Use | Notes
|
| 7800 | | | |
|
| 7800 | 0-9 | Orange | Mobile services | 10 Digit Numbers
|
| 7801 | | | |
|
| 7801 | 0-9 | O2 (UK) Limited | Mobile services | 10 Digit Numbers
|
| 7802 | | | |
|
| 7802 | 0-9 | O2 (UK) Limited | Mobile services | 10 Digit Numbers
|
| 7803 | | | |
|
| 7803 | 0-9 | O2 (UK) Limited | Mobile services | 10 Digit Numbers
|
| 7804 | | | |
|
| 7804 | 0-9 | T-Mobile (UK) Limited | Mobile services | 10 Digit Numbers
|
| 7805 | | | |
|
| 7805 | 0-9 | Orange | Mobile services | 10 Digit Numbers
|
| 7806 | | | |
|
| 7806 | 0-9 | T-Mobile (UK) Limited | Mobile services | 10 Digit Numbers
|
| 7807 | | | |
|
| 7807 | 0-9 | Orange | Mobile services | 10 Digit Numbers
|
| 7808 | | | |
|
| 7808 | 0-9 | O2 (UK) Limited | Mobile services | 10 Digit Numbers
|
| 7809 | | | |
|
| 7809 | 0-9 | O2 (UK) Limited | Mobile services | 10 Digit Numbers
|
| 7810 | | | |
|
| 7810 | 0-9 | Vodafone Ltd | Mobile services | 10 Digit Numbers
|
| 7811 | | | |
|
| 7811 | 0-9 | Orange | Mobile services | 10 Digit Numbers
|
| 7812 | | | |
|
| 7812 | 0-9 | Orange | Mobile services | 10 Digit Numbers
|
| 7813 | | | |
|
| 7813 | 0-9 | Orange | Mobile services | 10 Digit Numbers
|
| 7814 | | | |
|
| 7814 | 0-9 | Orange | Mobile services | 10 Digit Numbers
|
| 7815 | | | |
|
| 7815 | 0-9 | Orange | Mobile services | 10 Digit Numbers
|
| 7816 | | | |
|
| 7816 | 0-9 | Orange | Mobile services | 10 Digit Numbers
|
| 7817 | | | |
|
| 7817 | 0-9 | Orange | Mobile services | 10 Digit Numbers
|
| 7818 | | | |
|
| 7818 | 0-9 | Vodafone Ltd | Mobile services | 10 Digit Numbers
|
| 7819 | | | |
|
| 7819 | 0-9 | O2 (UK) Limited | Mobile services | 10 Digit Numbers
|
| 7820 | | | |
|
| 7820 | 0-9 | O2 (UK) Limited | Mobile services | 10 Digit Numbers
|
| 7821 | | | |
|
| 7821 | 0-9 | O2 (UK) Limited | Mobile services | 10 Digit Numbers
|
| 7822 | | | |
|
| 7822 | 0 | FleXtel Limited | Mobile services | 10 Digit Numbers
|
| 7822 | 1 | Swiftnet Ltd | Mobile services | 10 Digit Numbers
|
| 7822 | 2 | Opal Telecom Limited | Mobile services | 10 Digit Numbers
|
| 7822 | 3 | Coulomb Limited | Mobile services | 10 Digit Numbers
|
| 7822 | 4, 6 | Telephony Services Limited | Mobile services | 10 Digit Numbers
|
| 7823 | | | |
|
| 7823 | 0-9 | Vodafone Ltd | Mobile services | 10 Digit Numbers
|
| 7824 | | | |
|
| 7824 | 0-9 | Vodafone Ltd | Mobile services | 10 Digit Numbers
|
| 7825 | | | |
|
| 7825 | 0-9 | Vodafone Ltd | Mobile services | 10 Digit Numbers
|
| 7826 | | | |
|
| 7826 | 0-9 | Vodafone Ltd | Mobile services | 10 Digit Numbers
|
| 7827 | | | |
|
| 7827 | 0-9 | Vodafone Ltd | Mobile services | 10 Digit Numbers
|
| 7828 | | | |
|
| 7828 | 0-9 | Hutchison 3G UK Ltd | Mobile services | 10 Digit Numbers
|
| 7829 | | | |
|
| 7829 | 7-9 | Jersey Telenet Limited | Mobile services | 10 Digit Numbers
|
| 7830 | | | |
|
| 7830 | 0-9 | Hutchison 3G UK Ltd | Mobile services | 10 Digit Numbers
|
| 7831 | | | |
|
| 7831 | 0-9 | Vodafone Ltd | Mobile services | 10 Digit Numbers
|
| 7832 | | | |
|
| 7832 | 0-9 | Hutchison 3G UK Ltd | Mobile services | 10 Digit Numbers
|
| 7833 | | | |
|
| 7833 | 0-9 | Vodafone Ltd | Mobile services | 10 Digit Numbers
|
| 7834 | | | |
|
| 7834 | 0-9 | O2 (UK) Limited | Mobile services | 10 Digit Numbers
|
| 7835 | | | |
|
| 7835 | 0-9 | O2 (UK) Limited | Mobile services | 10 Digit Numbers
|
| 7836 | | | |
|
| 7836 | 0-9 | Vodafone Ltd | Mobile services | 10 Digit Numbers
|
| 7837 | | | |
|
| 7837 | 0-9 | Orange | Mobile services | 10 Digit Numbers
|
| 7838 | | | |
|
| 7838 | 0-9 | Hutchison 3G UK Ltd | Mobile services | 10 Digit Numbers
|
| 7839 | | | |
|
| 7839 | 8 | Cable and Wireless Guernsey Limited | Mobile services | 10 Digit Numbers
|
| 7840 | | | |
|
| 7840 | 0-9 | O2 (UK) Limited | Mobile services | 10 Digit Numbers
|
| 7841 | | | |
|
| 7841 | 0-9 | O2 (UK) Limited | Mobile services | 10 Digit Numbers
|
| 7842 | | | |
|
| 7842 | 0-9 | O2 (UK) Limited | Mobile services | 10 Digit Numbers
|
| 7843 | | | |
|
| 7843 | 0-9 | O2 (UK) Limited | Mobile services | 10 Digit Numbers
|
| 7844 | | | |
|
| 7844 | 0-9 | O2 (UK) Limited | Mobile services | 10 Digit Numbers
|
| 7845 | | | |
|
| 7845 | 0-9 | O2 (UK) Limited | Mobile services | 10 Digit Numbers
|
| 7846 | | | |
|
| 7846 | 0-9 | Hutchison 3G UK Ltd | Mobile services | 10 Digit Numbers
|
| 7847 | | | |
|
| 7847 | 0-9 | T-Mobile (UK) Limited | Mobile services | 10 Digit Numbers
|
| 7848 | | | |
|
| 7848 | 0-9 | Hutchison 3G UK Ltd | Mobile services | 10 Digit Numbers
|
| 7849 | | | |
|
| 7849 | 0-9 | O2 (UK) Limited | Mobile services | 10 Digit Numbers
|
| 7850 | | | |
|
| 7850 | 0-9 | O2 (UK) Limited | Mobile services | 10 Digit Numbers
|
| 7851 | | | |
|
| 7851 | 0-9 | O2 (UK) Limited | Mobile services | 10 Digit Numbers
|
| 7852 | | | |
|
| 7852 | 0-9 | T-Mobile (UK) Limited | Mobile services | 10 Digit Numbers
|
| 7853 | | | |
|
| 7853 | 0-9 | Hutchison 3G UK Ltd | Mobile services | 10 Digit Numbers
|
| 7854 | | | |
|
| 7854 | 0-9 | Orange | Mobile services | 10 Digit Numbers
|
| 7855 | | | |
|
| 7855 | 0-9 | Orange | Mobile services | 10 Digit Numbers
|
| 7856 | | | |
|
| 7856 | 0-9 | O2 (UK) Limited | Mobile services | 10 Digit Numbers
|
| 7857 | | | |
|
| 7857 | 0-9 | O2 (UK) Limited | Mobile services | 10 Digit Numbers
|
| 7858 | | | |
|
| 7858 | 0-9 | O2 (UK) Limited | Mobile services | 10 Digit Numbers
|
| 7859 | | | |
|
| 7859 | 0-9 | Hutchison 3G UK Ltd | Mobile services | 10 Digit Numbers
|
| 7860 | | | |
|
| 7860 | 0-9 | O2 (UK) Limited | Mobile services | 10 Digit Numbers
|
| 7861 | | | |
|
| 7861 | 0-9 | Hutchison 3G UK Ltd | Mobile services | 10 Digit Numbers
|
| 7862 | | | |
|
| 7862 | 0-9 | Hutchison 3G UK Ltd | Mobile services | 10 Digit Numbers
|
| 7863 | | | |
|
| 7863 | 0-9 | Hutchison 3G UK Ltd | Mobile services | 10 Digit Numbers
|
| 7864 | | | |
|
| 7864 | 0-3 | O2 (UK) Limited | Mobile services | 10 Digit Numbers
|
| 7864 | 4 | Switch Services Ltd | Mobile services | 10 Digit Numbers
|
| 7864 | 5-9 | O2 (UK) Limited | Mobile services | 10 Digit Numbers
|
| 7865 | | | |
|
| 7865 | 0-9 | Hutchison 3G UK Ltd | Mobile services | 10 Digit Numbers
|
| 7866 | | | |
|
| 7866 | 0-9 | Orange | Mobile services | 10 Digit Numbers
|
| 7867 | | | |
|
| 7867 | 0-9 | Vodafone Ltd | Mobile services | 10 Digit Numbers
|
| 7868 | | | |
|
| 7868 | 0-9 | Hutchison 3G UK Ltd | Mobile services | 10 Digit Numbers
|
| 7869 | | | |
|
| 7869 | 0-9 | Hutchison 3G UK Ltd | Mobile services | 10 Digit Numbers
|
| 7870 | | | |
|
| 7870 | 0-9 | Orange | Mobile services | 10 Digit Numbers
|
| 7871 | | | |
|
| 7871 | 0-9 | O2 (UK) Limited | Mobile services | 10 Digit Numbers
|
| 7872 | | | |
|
| 7872 | 0&1 | O2 (UK) Limited | Mobile services | 10 Digit Numbers
|
| 7872 | 2 | Wire9 Telecom PLC | Mobile services | 10 Digit Numbers
|
| 7872 | 3-6 | O2 (UK) Limited | Mobile services | 10 Digit Numbers
|
| 7872 | 7 | Hotchilli Communications Ltd | Mobile services | 10 Digit Numbers
|
| 7872 | 8&9 | O2 (UK) Limited | Mobile services | 10 Digit Numbers
|
| 7873 | | | |
|
| 7873 | 0 | Routo Telecommunications Limited | Mobile services | 10 Digit Numbers
|
| 7873 | 1-9 | O2 (UK) Limited | Mobile services | 10 Digit Numbers
|
| 7874 | | | |
|
| 7874 | 0-3 | O2 (UK) Limited | Mobile services | 10 Digit Numbers
|
| 7874 | 4 | Citrus Telecommunications Ltd | Mobile services | 10 Digit Numbers
|
| 7874 | 5 | Callax Limited | Mobile services | 10 Digit Numbers
|
| 7874 | 6-9 | O2 (UK) Limited | Mobile services | 10 Digit Numbers
|
| 7875 | | | |
|
| 7875 | 0-9 | Orange | Mobile services | 10 Digit Numbers
|
| 7876 | | | |
|
| 7876 | 0-9 | Vodafone Ltd | Mobile services | 10 Digit Numbers
|
| 7877 | | | |
|
| 7877 | 0-9 | Hutchison 3G UK Ltd | Mobile services | 10 Digit Numbers
|
| 7878 | | | |
|
| 7878 | 0-9 | Hutchison 3G UK Ltd | Mobile services | 10 Digit Numbers
|
| 7879 | | | |
|
| 7879 | 0-9 | Vodafone Ltd | Mobile services | 10 Digit Numbers
|
| 7880 | | | |
|
| 7880 | 0-9 | Vodafone Ltd | Mobile services | 10 Digit Numbers
|
| 7881 | | | |
|
| 7881 | 0-9 | Vodafone Ltd | Mobile services | 10 Digit Numbers
|
| 7882 | | | |
|
| 7882 | 0-9 | Hutchison 3G UK Ltd | Mobile services | 10 Digit Numbers
|
| 7883 | | | |
|
| 7883 | 0-9 | Hutchison 3G UK Ltd | Mobile services | 10 Digit Numbers
|
| 7884 | | | |
|
| 7884 | 0-9 | Vodafone Ltd | Mobile services | 10 Digit Numbers
|
| 7885 | | | |
|
| 7885 | 0-9 | O2 (UK) Limited | Mobile services | 10 Digit Numbers
|
| 7886 | | | |
|
| 7886 | 0-9 | Hutchison 3G UK Ltd | Mobile services | 10 Digit Numbers
|
| 7887 | | | |
|
| 7887 | 0-9 | Vodafone Ltd | Mobile services | 10 Digit Numbers
|
| 7888 | | | |
|
| 7888 | 0-9 | Hutchison 3G UK Ltd | Mobile services | 10 Digit Numbers
|
| 7889 | | | |
|
| 7889 | 0-9 | O2 (UK) Limited | Mobile services | 10 Digit Numbers
|
| 7890 | | | |
|
| 7890 | 0-9 | Orange | Mobile services | 10 Digit Numbers
|
| 7891 | | | |
|
| 7891 | 0-9 | Orange | Mobile services | 10 Digit Numbers
|
| 7892 | | | |
|
| 7892 | 0 | HAY SYSTEMS LIMITED | Mobile services | 10 Digit Numbers
|
| 7892 | 1 | Mapesbury Communications Limited | Mobile services | 10 Digit Numbers
|
| 7892 | 2 | Interweb Design Ltd | Mobile services | 10 Digit Numbers
|
| 7892 | 3&4 | O2 (UK) Limited | Mobile services | 10 Digit Numbers
|
| 7892 | 5 | FleXtel Limited | Mobile services | 10 Digit Numbers
|
| 7892 | 6-9 | O2 (UK) Limited | Mobile services | 10 Digit Numbers
|
| 7893 | | | |
|
| 7893 | 0 | Magrathea Telecommunications Limited | Mobile services | 10 Digit Numbers
|
| 7893 | 3 | Yim Siam Telecom Ltd | Mobile services | 10 Digit Numbers
|
| 7893 | 4 | O2 (UK) Limited | Mobile services | 10 Digit Numbers
|
| 7893 | 8 | Telephony Services Limited | Mobile services | 10 Digit Numbers
|
| 7894 | | | |
|
| 7894 | 0-9 | O2 (UK) Limited | Mobile services | 10 Digit Numbers
|
| 7895 | | | |
|
| 7895 | 0-9 | O2 (UK) Limited | Mobile services | 10 Digit Numbers
|
| 7896 | | | |
|
| 7896 | 0-9 | Orange | Mobile services | 10 Digit Numbers
|
| 7897 | | | |
|
| 7897 | 0-9 | Hutchison 3G UK Ltd | Mobile services | 10 Digit Numbers
|
| 7898 | | | |
|
| 7898 | 0-9 | Hutchison 3G UK Ltd | Mobile services | 10 Digit Numbers
|
| 7899 | | | |
|
| 7899 | 0-9 | Vodafone Ltd | Mobile services | 10 Digit Numbers
|