Определение оператора сотовой связи по номеру (весь мир)
Операторы сотовой связи, номера которых начинаются на 37
| Оператор сотовой связи | Диапазон номеров | |
| Начало | Конец | |
| Andorra Mobile | 3763 | 3763 |
| Andorra Proper | 376 | 376 |
| Armenia Abovyan city | 37422 | 37422 |
| Armenia Mobile | 3749 | 3749 |
| Armenia Nagornyy Karabah | 3747 | 3747 |
| Armenia Proper | 374 | 374 |
| Armenia Yerevan city | 3741 | 3741 |
| Belarus Brest city | 375162 | 375162 |
| Belarus Gomel city | 375232 | 375232 |
| Belarus Grodno city | 375152 | 375152 |
| Belarus Grodno region | 37515 | 37515 |
| Belarus Minsk city | 375172 | 375172 |
| Belarus Minsk city | 375175 | 375175 |
| Belarus Mobile | 37529 | 37529 |
| Belarus Proper | 375 | 375 |
| Estonia Haapsalu | 37247 | 37247 |
| Estonia Mobile | 3725 | 3725 |
| Estonia Proper | 372 | 372 |
| Estonia Tallinn | 3722 | 3722 |
| Estonia Tallinn | 3726 | 3726 |
| Latvia Mobile | 37159 | 37169 |
| Latvia Mobile | 37191 | 37199 |
| Latvia Proper | 371 | 371 |
| Latvia Riga city | 3712 | 3712 |
| Latvia Riga city | 3717 | 3717 |
| Lithuania Freephone | 3708 | 3708 |
| Lithuania Mobile | 370600 | 370678 |
| Lithuania Mobile | 37068 | 37069 |
| Lithuania Proper | 370 | 370 |
| Moldova Chisinau | 37322 | 37322 |
| Moldova Mobile | 37363 | 37363 |
| Moldova Mobile | 37369 | 37369 |
| Moldova Mobile | 37379 | 37379 |
| Moldova Proper | 373 | 373 |
| Monaco Audiotext | 3777 | 3777 |
| Monaco Mobile | 37740 | 37743 |
| Monaco Mobile | 37745 | 37746 |
| Monaco Mobile | 37748 | 37749 |
| Monaco Mobile | 3776 | 3776 |
| Monaco Mobile KFOR | 37744 | 37744 |
| Monaco Mobile KFOR | 37747 | 37747 |
| Monaco Proper | 377 | 377 |
| San Marino Mobile | 3786 | 3786 |
| San Marino Proper | 378 | 378 |
| Vatican City Proper | 379 | 379 |