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| Area or operator | From abroad | Inside the country |
|---|---|---|
 Afone · France | +33 6 … | 06 … |
| Airbus Defence and Space · France | +33 6 … | 06 … |
| Alphalink · France | +33 6 … | 06 … |
| 25 more in France | ||
| Area or operator | From abroad | Inside the country |
|---|---|---|
 Advance, NC · United States | +1 336 … | 1336 … |
| Asheboro, NC · United States | +1 336 … | 1336 … |
| Browns Summit, NC · United States | +1 336 … | 1336 … |
| 40 more in United States | ||
 San Nicolás, Buenos Aires · Argentina | +54 336 … | 0336 … |
 Jember · Indonesia | +62 336 … | 0336 … |
 Galați · Romania | +40 336 … | 0336 … |
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.