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| Area or operator | From abroad | Inside the country |
|---|---|---|
 Beeline · Russia | +7 906 … | 8906 … |
 Donauwörth · Germany | +49 906 … | 0906 … |
 Baraga, MI · United States | +1 906 … | 1906 … |
| Bark River, MI · United States | +1 906 … | 1906 … |
| Brimley, MI · United States | +1 906 … | 1906 … |
| 30 more in United States | ||
 Aletai, Xinjiang · China | +86 906 … | 0906 … |
 MTN · Nigeria | +234 906 … | 0906 … |
 Globe · Philippines | +63 906 … | 0906 … |
 Orange · Slovakia | +421 906 … | 0906 … |
 FarEasTone · Taiwan | +886 906 … | 0906 … |
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.