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| Area or operator | From abroad | Inside the country |
|---|---|---|
 Callplus · New Zealand | +64 20 … | 020 … |
| Sure (Guernsey) New Zealand Limited · New Zealand | +64 20 … | 020 … |
| Vodafone · New Zealand | +64 20 … | 020 … |
| 1 more in New Zealand | ||
| Area or operator | From abroad | Inside the country |
|---|---|---|
 Lahntal · Germany | +49 6420 … | 06420 … |
 Amarpur, Bihar · India | +91 6420 … | 06420 … |
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.