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American Computer Resources, Inc. International country code directory.

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Find more information about country codes, phone codes, and ISO country codes. We

State information resource links to state homepage, symbols, flags, maps, constitutions, representitives, songs, birds, flowers, trees

How to dial internationally - telephone country codes, area codes... complete resource on international calling.

Conversion and Calculation Center home page that contains links to our measurement conversion, currency exchange rate, world time zone, reference information, and other pages.

Lookup US area codes, international country calling codes and world city

Find the international dialing code or time zone for any country. Online tool will instantly show you ALL telephone prefixes needed to call from one area code to another. Add the tool to your own site for quick access.

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Telephone Area Codes and Area Code Splits. Information about North American Numbering Plan (NANP).

United States Zip Codes provides a free zip code map and list of zip codes by state. Find zip codes by address, zip codes by city, or zip codes by state and compare shipping rates for USPS, UPS, and FedEx.

Greenwich Mean Time (GMT). What is GMT? Complete guide to time and time zones; summer time and daylight-saving time world-wide