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

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.

StudyAbroad.com is a study abroad program directory with study abroad information including summer study abroad programs, study abroad scholarship information, internship study abroad programs & language study abroad courses.

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

UK broadband, phone lines, digital TV, mobile, security and networked IT services for home, businesses and public sector.

Open source travel guide featuring up-to-date information on attractions, hotels, restaurants, travel tips and more. Free and reliable advice written by Wikitravellers from around the globe.

Want to know more about all the countries in the world? This site provides country profiles, maps, geography, and information about governments, culture, travel, languages and more.

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

This site includes lots of information that is time and date related, such as yearly and monthly calendars, countdown counters and the world clock which shows current time in cities all over the world.

Area code lookup for all US cities or use the area codes locator to find which city a phone area code belongs to.

Twilio lets you use standard web languages to build voice, VoIP and SMS applications via a web API. Build the next generation of communications with us.