Name for the zone: does not matter
Country selection: if you are on the US,leave at “0”. Never use “0” outside the US. Use “1” instead, that is Canada.
Local country code: Does not matter unless you will receive calls via VOIP.
Leave it blank
Area code: Leave it blank
International prefix: Whatever you dial before a international call on your country. Most places is “00”, in the US is “011”
Long distance prefix: Same, but for long distance. “0” outside the US, “1” on the US.
Use private numbers :No.
Private number lenght: Does not matter if you do not use it.