International White and Yellow Pages

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ThisNumber, Formerly Numberway - International Phone Directories

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Area Code Locator for the USA and Canada

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Country codes & international area codes - HowtoCallAbroad.com

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NPA NXX Telephone Area Code / Prefix and Exchange Databases

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ERRP | Expired Registration Recovery Policy

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Country Codes for International Calling and Area Codes

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LincMad Telephone Area Codes

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ExUSSR Phone Codes

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International Dialing Codes from DialCodesPlus.com

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Information on UK Area Codes and STD Codes - UKPhoneInfo

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Local calling guide: Main

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