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Определение оператора сотовой связи по номеру (весь мир)
Операторы сотовой связи, номера которых начинаются на 23
| Оператор сотовой связи | Диапазон номеров | |
| Начало | Конец | |
| Cameroon Mobile | 2377 | 2377 |
| Cameroon Mobile | 2379 | 2379 |
| Cameroon Proper | 237 | 237 |
| Cape Verde Mobile | 23891 | 23895 |
| Cape Verde Proper | 238 | 238 |
| Central African Republic Mobile | 23601 | 23602 |
| Central African Republic Mobile | 23604 | 23605 |
| Central African Republic Mobile | 23607 | 23608 |
| Central African Republic Mobile | 23620 | 23620 |
| Central African Republic Mobile | 23650 | 23650 |
| Central African Republic Mobile | 23664 | 23664 |
| Central African Republic Proper | 236 | 236 |
| Chad Mobile | 2358 | 2358 |
| Chad Proper | 235 | 235 |
| Ghana Accra | 23321 | 23321 |
| Ghana Mobile | 23320 | 23320 |
| Ghana Mobile | 23324 | 23324 |
| Ghana Mobile | 233272 | 233272 |
| Ghana Mobile | 233275 | 233278 |
| Ghana Mobile | 23328 | 23328 |
| Ghana Proper | 233 | 233 |
| Ghana Tema | 23322 | 23322 |
| Liberia Mobile | 23128 | 23128 |
| Liberia Mobile | 23133 | 23133 |
| Liberia Mobile | 23138 | 23141 |
| Liberia Mobile | 23150 | 23151 |
| Liberia Mobile | 23155 | 23155 |
| Liberia Mobile | 23164 | 23165 |
| Liberia Proper | 231 | 231 |
| Mauritius Mobile | 23025 | 23025 |
| Mauritius Mobile | 230421 | 230423 |
| Mauritius Mobile | 230491 | 230495 |
| Mauritius Mobile | 230497 | 230499 |
| Mauritius Mobile | 230720 | 230721 |
| Mauritius Mobile | 230729 | 230739 |
| Mauritius Mobile | 23075 | 23077 |
| Mauritius Proper | 230 | 230 |
| Nigeria Lagos | 2341 | 2341 |
| Nigeria Mobile | 23480 | 23480 |
| Nigeria Mobile | 23490 | 23490 |
| Nigeria Proper | 234 | 234 |
| Sao Tome and Principe Mobile | 23990 | 23990 |
| Sao Tome and Principe Proper | 239 | 239 |
| Sierra Leone Freetown | 23222 | 23222 |
| Sierra Leone Mobile | 23230 | 23230 |
| Sierra Leone Mobile | 23276 | 23276 |
| Sierra Leone Proper | 232 | 232 |