Определение оператора сотовой связи по номеру (весь мир)
Операторы сотовой связи, номера которых начинаются на 44
| Оператор сотовой связи | Диапазон номеров | |
| Начало | Конец | |
| United Kingdom Freephone | 44800 | 44800 |
| United Kingdom Freephone | 44808 | 44808 |
| United Kingdom London | 4420 | 4420 |
| United Kingdom Mobile | 447624 | 447624 |
| United Kingdom Mobile | 447701 | 447703 |
| United Kingdom Mobile | 447705 | 447705 |
| United Kingdom Mobile | 447708 | 447715 |
| United Kingdom Mobile | 447717 | 447717 |
| United Kingdom Mobile | 447718 | 447720 |
| United Kingdom Mobile | 447721 | 447721 |
| United Kingdom Mobile | 447729 | 447732 |
| United Kingdom Mobile | 447733 | 447733 |
| United Kingdom Mobile | 447734 | 447734 |
| United Kingdom Mobile | 447736 | 447736 |
| United Kingdom Mobile | 447739 | 447740 |
| United Kingdom Mobile | 447741 | 447741 |
| United Kingdom Mobile | 447742 | 447743 |
| United Kingdom Mobile | 4477442 | 4477449 |
| United Kingdom Mobile | 447745 | 447746 |
| United Kingdom Mobile | 447747 | 447748 |
| United Kingdom Mobile | 447749 | 447754 |
| United Kingdom Mobile | 4477552 | 4477555 |
| United Kingdom Mobile | 447759 | 447759 |
| United Kingdom Mobile | 447760 | 447760 |
| United Kingdom Mobile | 447761 | 447764 |
| United Kingdom Mobile | 447765 | 447771 |
| United Kingdom Mobile | 447773 | 447773 |
| United Kingdom Mobile | 447774 | 447776 |
| United Kingdom Mobile | 447778 | 447778 |
| United Kingdom Mobile | 447779 | 447779 |
| United Kingdom Mobile | 447780 | 447780 |
| United Kingdom Mobile | 447781 | 447782 |
| United Kingdom Mobile | 447785 | 447789 |
| United Kingdom Mobile | 447790 | 447792 |
| United Kingdom Mobile | 447793 | 447793 |
| United Kingdom Mobile | 447795 | 447796 |
| United Kingdom Mobile | 4477977 | 4477978 |
| United Kingdom Mobile | 447798 | 447799 |
| United Kingdom Mobile | 447800 | 447800 |
| United Kingdom Mobile | 447801 | 447803 |
| United Kingdom Mobile | 447808 | 447809 |
| United Kingdom Mobile | 447810 | 447810 |
| United Kingdom Mobile | 447811 | 447817 |
| United Kingdom Mobile | 447818 | 447818 |
| United Kingdom Mobile | 447819 | 447821 |
| United Kingdom Mobile | 447830 | 447830 |
| United Kingdom Mobile | 447831 | 447831 |
| United Kingdom Mobile | 447832 | 447832 |
| United Kingdom Mobile | 447833 | 447833 |
| United Kingdom Mobile | 447834 | 447834 |
| United Kingdom Mobile | 447836 | 447836 |
| United Kingdom Mobile | 447837 | 447837 |
| United Kingdom Mobile | 447838 | 447838 |
| United Kingdom Mobile | 4478398 | 4478398 |
| United Kingdom Mobile | 447850 | 447850 |
| United Kingdom Mobile | 447855 | 447855 |
| United Kingdom Mobile | 447860 | 447860 |
| United Kingdom Mobile | 447861 | 447861 |
| United Kingdom Mobile | 447863 | 447863 |
| United Kingdom Mobile | 447866 | 447866 |
| United Kingdom Mobile | 447867 | 447867 |
| United Kingdom Mobile | 447870 | 447870 |
| United Kingdom Mobile | 447876 | 447876 |
| United Kingdom Mobile | 447879 | 447881 |
| United Kingdom Mobile | 447884 | 447884 |
| United Kingdom Mobile | 447885 | 447885 |
| United Kingdom Mobile | 447887 | 447887 |
| United Kingdom Mobile | 447889 | 447889 |
| United Kingdom Mobile | 447890 | 447890 |
| United Kingdom Mobile | 447899 | 447901 |
| United Kingdom Mobile | 447903 | 447906 |
| United Kingdom Mobile | 447908 | 447908 |
| United Kingdom Mobile | 447909 | 447909 |
| United Kingdom Mobile | 4479117 | 4479117 |
| United Kingdom Mobile | 447919 | 447919 |
| United Kingdom Mobile | 447929 | 447929 |
| United Kingdom Mobile | 447930 | 447932 |
| United Kingdom Mobile | 447939 | 447941 |
| United Kingdom Mobile | 447944 | 447944 |
| United Kingdom Mobile | 447946 | 447947 |
| United Kingdom Mobile | 447949 | 447953 |
| United Kingdom Mobile | 447956 | 447963 |
| United Kingdom Mobile | 447966 | 447971 |
| United Kingdom Mobile | 447973 | 447974 |
| United Kingdom Mobile | 447976 | 447977 |
| United Kingdom Mobile | 447979 | 447979 |
| United Kingdom Mobile | 447980 | 447980 |
| United Kingdom Mobile | 447981 | 447981 |
| United Kingdom Mobile | 447984 | 447987 |
| United Kingdom Mobile | 447989 | 447989 |
| United Kingdom Mobile | 447990 | 447990 |
| United Kingdom Other Specialized | 448440 | 448440 |
| United Kingdom Other Specialized | 44845 | 44845 |
| United Kingdom Other Specialized | 44870 | 44870 |
| United Kingdom Other Specialized | 44901171 | 44901171 |
| United Kingdom Other Specialized | 4490557 | 4490557 |
| United Kingdom Other Specialized | 44911023 | 44911023 |
| United Kingdom Other Specialized | 449116 | 449116 |
| United Kingdom Other Specialized | 449580 | 449581 |
| United Kingdom Other Specialized | 449617 | 449617 |
| United Kingdom Other Specialized | 44990 | 44990 |
| United Kingdom Pager | 447600 | 447623 |
| United Kingdom Pager | 447625 | 447699 |
| United Kingdom Personal | 4470 | 4470 |
| United Kingdom Proper | 44 | 44 |