Определение оператора сотовой связи по номеру (весь мир)
Операторы сотовой связи, номера которых начинаются на 51
| Оператор сотовой связи | Диапазон номеров | |
| Начало | Конец | |
| Peru Lima | 51110 | 51162 |
| Peru Lima | 51165 | 51169 |
| Peru Lima | 51176 | 51178 |
| Peru Mobile | 51171 | 51175 |
| Peru Mobile | 51179 | 51199 |
| Peru Mobile | 513460 | 513472 |
| Peru Mobile | 51349 | 51349 |
| Peru Mobile | 514436 | 514439 |
| Peru Mobile | 514453 | 514453 |
| Peru Mobile | 514455 | 514455 |
| Peru Mobile | 51446 | 51446 |
| Peru Mobile | 51449 | 51449 |
| Peru Mobile | 515430 | 515431 |
| Peru Mobile | 515434 | 515434 |
| Peru Mobile | 515437 | 515439 |
| Peru Mobile | 51546 | 51546 |
| Peru Mobile | 515473 | 515473 |
| Peru Mobile | 515475 | 515475 |
| Peru Mobile | 515483 | 515483 |
| Peru Mobile | 51549 | 51549 |
| Peru Mobile | 516430 | 516431 |
| Peru Mobile | 51646 | 51646 |
| Peru Mobile | 51649 | 51649 |
| Peru Mobile | 51746 | 51746 |
| Peru Mobile | 517471 | 517473 |
| Peru Mobile | 517475 | 517477 |
| Peru Mobile | 51749 | 51749 |
| Peru Mobile | 51846 | 51846 |
| Peru Mobile | 518473 | 518476 |
| Peru Mobile | 51849 | 51849 |
| Peru Mobile | 51946 | 51946 |
| Peru Mobile | 519475 | 519477 |
| Peru Mobile | 51949 | 51949 |
| Peru Mobile - Lima | 511950 | 511950 |
| Peru Mobile - Lima | 511963 | 511964 |
| Peru Mobile - Lima | 511966 | 511967 |
| Peru Mobile - Lima | 511970 | 511982 |
| Peru Mobile - Lima | 511982 | 511999 |
| Peru Proper | 51 | 51 |