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Dial Codes Plus - http://dialcodesplus.com/
Listing of international dialing codes and area codes with instructions. |
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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. |
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LincMad - http://www.lincmad.com/
Information about North American area codes, featuring changes, historical data and area code map. Detailed information on overlays and splits. |
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How to Call Abroad From US and Canada - http://www.howtocallabroad.com/
Calling guide for United States and Canadian residents listing international country and city codes, phone books and time zones. |
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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. |
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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. |
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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. |
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CE - US Area Code Changes - http://frodo.bruderhof.com/areacode/
Lists of exchanges that have moved or are moving from one North American area code to another. |
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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. |
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TP2Location - http://www.TP2Location.com
Resolve any telephone number to its geographical location. |
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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. |
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Dial Code - http://www.dial-code.com
Find international dialing codes and area codes by specifying location. Information on direct dial prefixes. Flash user interface. |
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UK Dial Me - http://www.dialme.co.uk
A directory of telephone STD dialing codes in the UK. |
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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. |
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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. |