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| Area or operator | From abroad | Inside the country |
|---|---|---|
 Moldcell · Moldova | +373 781 … | 0781 … |
 Offenburg · Germany | +49 781 … | 0781 … |
 Arlington, MA · United States | +1 781 … | 1781 … |
| Bedford, MA · United States | +1 781 … | 1781 … |
| Braintree, MA · United States | +1 781 … | 1781 … |
| 39 more in United States | ||
 Rahanpur/Shibganj/Chapai Nobabganj · Bangladesh | +880 781 … | 0781 … |
 Zain · Iraq | +964 781 … | 0781 … |
 Santa María / Misiones · Paraguay | +595 781 … | 0781 … |
 Airtel · Tanzania | +255 781 … | 0781 … |
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.