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| Area or operator | From abroad | Inside the country |
|---|---|---|
 Gndevaz, Vayots Dzor · Armenia | +374 287 … | 0287 … |
| Jermuk, Vayots Dzor · Armenia | +374 287 … | 0287 … |
| Jermuk/Gndevaz, Vayots Dzor · Armenia | +374 287 … | 0287 … |
 Klos/Suç/Lis, Mat · Albania | +355 287 … | 0287 … |
 Kebumen/Karanganyar · Indonesia | +62 287 … | 0287 … |
 Kuroiso, Tochigi · Japan | +81 287 … | 0287 … |
| Nasukarasuyama, Tochigi · Japan | +81 287 … | 0287 … |
| Otawara, Tochigi · Japan | +81 287 … | 0287 … |
 Delta Amacuro/Monagas · Venezuela | +58 287 … | 0287 … |
If a number starts with +, the first 1–3 digits are the country code. If it starts with 0 (8 in Russia and Kazakhstan), it is a domestic number: an area or operator code follows, and from abroad the 0 or 8 is replaced with + and the country code. The same digits can mean different places, so where the call came from matters.