A few basic questions.
1. Do you want to have 7 digit dialling for numbers in your area code?
2. Do you require 911 and if yes, which SP is providing it?
3. Which of '011' or '00' does your SP2 provider require for non-USA calls?
4. Irrespective of Q3, which of '011' or '00' do you want to dial when making non-USA calls?