The telephone number that is attached to a country, by dialing which it is necessary to take into account the code of the country or region you are calling to. When dialing the number from the same country you are calling to there is no need to enter the country code, but simply a phone number, sometimes a code of the region, might be a case when calling from one state or region to another, applicable to large counties (USA, Canada, Russia, China etc.).
After many years in the VoIP industry supplying long distance service and VoIP technical support, AirStar Communications has decided to expand into the residential and business phone service.