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| Area or operator | From abroad | Inside the country |
|---|---|---|
 Trier · Germany | +49 651 … | 0651 … |
 Cottage Grove, MN · United States | +1 651 … | 1651 … |
| Eagan, MN · United States | +1 651 … | 1651 … |
| Farmington, MN · United States | +1 651 … | 1651 … |
| 12 more in United States | ||
 Ranchi, Bihar · India | +91 651 … | 0651 … |
 Mobilis · Algeria | +213 651 … | 0651 … |
 Maninganj/Singair/Daulatpur/Shibalaya · Bangladesh | +880 651 … | 0651 … |
 Banda Aceh/Jantho/Lamno · Indonesia | +62 651 … | 0651 … |
 Ljusdal · Sweden | +46 651 … | 0651 … |
 Yas · Tanzania | +255 651 … | 0651 … |
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.