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| Area or operator | From abroad | Inside the country |
|---|---|---|
 Armada, MI · United States | +1 586 … | 1586 … |
| Chesterfield, MI · United States | +1 586 … | 1586 … |
| Clinton Twp, MI · United States | +1 586 … | 1586 … |
| 6 more in United States | ||
 Gjergjan/Papër/Shalës, Elbasan · Albania | +355 586 … | 0586 … |
 Ichinomiya, Aichi · Japan | +81 586 … | 0586 … |
 Karlskoga-Degerfors · Sweden | +46 586 … | 0586 … |
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.