using PhoneNumbers;

using System;

var phoneUtil = PhoneNumberUtil.GetInstance();

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var usNumber = phoneUtil.Parse("+14155552671", null);

var usRegion = phoneUtil.GetRegionCodeForNumber(usNumber);

Console.WriteLine($"US Number Region: {usRegion}");  

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var caNumber = phoneUtil.Parse("+14185552671", null);

var caRegion = phoneUtil.GetRegionCodeForNumber(caNumber);

Console.WriteLine($"Canada Number Region: {caRegion}"); 

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