Tuvalu Phone Code — Initial Digits of Telephone Numbers in Tuvalu

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Uganda Phone Code — Initial Digits of Telephone Numbers in Uganda

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Ukraine Phone Code — Initial Digits of Telephone Numbers in Ukraine

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United Arab Emirates Phone Code — Initial Digits of Telephone Numbers in United Arab Emirates

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United Kingdom Phone Code — Initial Digits of Telephone Numbers in United Kingdom

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Uruguay Phone Code — Initial Digits of Telephone Numbers in Uruguay

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US Virgin Islands Phone Code — Initial Digits of Telephone Numbers in US Virgin Islands

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South Yemen Phone Code — Initial Digits of Telephone Numbers in South Yemen

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Spain Phone Code — Initial Digits of Telephone Numbers in Spain

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Sri Lanka Phone Code — Initial Digits of Telephone Numbers in Sri Lanka

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