Sierra Leone Phone Code — Initial Digits of Telephone Numbers in Sierra Leone

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Portugal Phone Code — Initial Digits of Telephone Numbers in Portugal

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Singapore Phone Code — Initial Digits of Telephone Numbers in Singapore

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Puerto Rico Phone Code — Initial Digits of Telephone Numbers in Puerto Rico

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Slovakia Phone Code — Initial Digits of Telephone Numbers in Slovakia

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Qatar Phone Code — Initial Digits of Telephone Numbers in Qatar

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Slovenia Phone Code — Initial Digits of Telephone Numbers in Slovenia

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Norfolk Island Phone Code — Initial Digits of Telephone Numbers in Norfolk Island

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North Korea Phone Code — Initial Digits of Telephone Numbers in North Korea

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

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