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Area Codes

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	International Dialing Codes - http://kropla.com/dialcode.htm International and national direct dialing prefixes and instructions.
	CountryCallingCodes.com - http://www.countrycallingcodes.com Online tool that builds dialing codes based on locations selected. Includes many international dialing codes and some area codes. Also has a reverse phone number lookup tool and current time.
	Time and Date - http://www.timeanddate.com/worldclock/dialing.html International dialing codes for almost any country and area codes for many cities. The interface includes a dropdown selector and local times are provided with dialing codes.
	HowtoCallAbroad.com - http://www.howtocallabroad.com/ Calling guide for United States and Canadian residents listing international country and city codes, phone books and time zones.
	Fone Finder - http://www.fonefinder.net Enter the 3-digit prefix or the city name to find an area code.

	CountryCodes.com - http://www.countrycodes.com Online tool that build dialing codes based on locations selected. Lists many international dialing codes and some area codes.
	World Telephone Numbering Guide - http://www.wtng.info/ Lists and links to current international dialing codes and area codes with formatting guides and provides information on recent and historical changes.
	North American Numbering Plan Administration: Area Codes - http://www.nanpa.com/area_codes/index.html Find North American codes by a map, number, or location. Includes information on future planned area codes and a free downloadable area code database.
	http://www.lincmad.com/ - http://www.lincmad.com/ Information about North American area codes, featuring changes, historical data and area code map. Detailed information on overlays and splits.
	US Switchboard - Area Code - http://www.infospace.com/swbd.main/white-pages/reverse-lookup Find United States area code by city and state, Find City and State by area code.

	US Area Code Locations - http://www.areacodelocations.info Provides a list of towns and cities covered by each US area code including overlays and splits.
	Verizon - US Area Code Lookup - http://www22.verizon.com/areacodes/ Find the major locations in a certain area code by entering the area code, or find the area codes that are used in a certain state by entering the state name.
	Local Calling Guide - http://www.localcallingguide.com/ A free resource mainly aimed at telecommunications companies. Users can browse tabular data on North American area codes, numbering schemes, and rate centers. The data is available as XML for computer programs to read.
	exUSSR Phone Codes - http://phonecodes.narod.ru/ Includes all cities of Russia, Ukraine, Belorussia, Moldova, Lithuania, Latvia, Estonia, Kazakhstan, Georgia, Uzbekistan, Azerbaijan, Armenia, Kirgizia, and Tadjikistan.
	UK Phone Information - http://www.ukphoneinfo.com/ Returns area information, map, BT charge information, and nearby exchange names for telephone numbers, access/short codes, or the name of a location.

	Time Dial - http://www.TimeDial.net Displays the current time, international dialing code, area codes and currency converter for almost anywhere. Includes instructions on country codes and international dialing code parts usage.
	TP2Location - http://www.TP2Location.com Resolve any telephone number to its geographical location.
	US Area Code Answers - http://www.areacodeanswers.com Information about US-based area codes and prefixes. Find the city, carrier, location, and more information about any phone number with this free service.
	Assist Book - http://www.assistbook.com Lists international dialing codes, area codes, weather, world time and currency exchange rates. Also has a reverse phone number lookup tool.
	Dial Code - http://www.dial-code.com Find international dialing codes and area codes by typing location in search input box. Information on direct dial prefixes.

	UK Dial Me - http://www.dialme.co.uk A directory of telephone STD dialing codes in the UK.
	NPA NXX Source - http://www.npanxxsource.com Databases for sale providing data on area codes and telephone exchange prefixes in the North American Numbering Plan.
	World Search Dial Codes - http://iptop.net/eng/code.html Contains world telephone codes and time zone information. Search by city, country or number.
	US Area Code Finder - http://www.areacodesearchengine.com Area code lookup for the United States with maps. Search by state or by code.
	Dial Codes Plus - http://dialcodesplus.com/ Listing of international dialing codes and area codes with instructions.

US Area Code Facts - http://areacodefacts.com/ Information on area codes of the united states.

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