Определение оператора сотовой связи по номеру (весь мир)
Операторы сотовой связи, номера которых начинаются на 7921
| Оператор сотовой связи | Диапазон номеров | |
| Начало | Конец | |
| Russia Arkhangelsk region mobile | 792124 | 792124 |
| Russia Arkhangelsk region mobile | 792129 | 792129 |
| Russia Arkhangelsk region mobile | 792148 | 792149 |
| Russia Arkhangelsk region mobile | 7921600 | 7921600 |
| Russia Arkhangelsk region mobile | 792167 | 792167 |
| Russia Arkhangelsk region mobile | 7921719 | 7921721 |
| Russia Kaliningrad region mobile | 792110 | 792110 |
| Russia Kaliningrad region mobile | 792126 | 792126 |
| Russia Kaliningrad region mobile | 7921603 | 7921603 |
| Russia Kaliningrad region mobile | 7921608 | 7921608 |
| Russia Kaliningrad region mobile | 792161 | 792161 |
| Russia Kaliningrad region mobile | 7921710 | 7921712 |
| Russia Karelia region mobile | 792122 | 792122 |
| Russia Karelia region mobile | 792145 | 792146 |
| Russia Karelia region mobile | 792152 | 792152 |
| Russia Karelia region mobile | 7921604 | 7921604 |
| Russia Karelia region mobile | 792162 | 792162 |
| Russia Karelia region mobile | 7921700 | 7921702 |
| Russia Karelia region mobile | 7921726 | 7921728 |
| Russia Leningrad region mobile | 79213 | 79213 |
| Russia Leningrad region mobile | 792140 | 792142 |
| Russia Leningrad region mobile | 792155 | 792159 |
| Russia Leningrad region mobile | 792163 | 792165 |
| Russia Leningrad region mobile | 792174 | 792179 |
| Russia Leningrad region mobile | 79219 | 79219 |
| Russia Murmansk region mobile | 792115 | 792116 |
| Russia Murmansk region mobile | 792127 | 792128 |
| Russia Murmansk region mobile | 792151 | 792151 |
| Russia Murmansk region mobile | 7921605 | 7921605 |
| Russia Murmansk region mobile | 792166 | 792166 |
| Russia Murmansk region mobile | 7921708 | 7921709 |
| Russia Murmansk region mobile | 7921724 | 7921724 |
| Russia Murmansk region mobile | 7921734 | 7921735 |
| Russia Novgorod region mobile | 792119 | 792119 |
| Russia Novgorod region mobile | 792120 | 792120 |
| Russia Novgorod region mobile | 7921606 | 7921606 |
| Russia Novgorod region mobile | 792169 | 792169 |
| Russia Novgorod region mobile | 7921705 | 7921707 |
| Russia Novgorod region mobile | 7921729 | 7921731 |
| Russia Novgorod region mobile | 7921736 | 7921739 |
| Russia Pskov region mobile | 792111 | 792111 |
| Russia Pskov region mobile | 792121 | 792121 |
| Russia Pskov region mobile | 792150 | 792150 |
| Russia Pskov region mobile | 7921607 | 7921607 |
| Russia Pskov region mobile | 7921609 | 7921609 |
| Russia Vologda region mobile | 792112 | 792114 |
| Russia Vologda region mobile | 792123 | 792123 |
| Russia Vologda region mobile | 792125 | 792125 |
| Russia Vologda region mobile | 792153 | 792154 |
| Russia Vologda region mobile | 7921601 | 7921602 |
| Russia Vologda region mobile | 792168 | 792168 |
| Russia Vologda region mobile | 7921713 | 7921718 |
| Russia Vologda region mobile | 7921722 | 7921723 |
| Russia Vologda region mobile | 7921732 | 7921733 |