Area Codes in the Yahoo! Directory

NANPA Area Code Maps
Clickable map of the U.S. with detailed state-by-state area code information. Select a state from the map, or by alphabetized list. Updated by Tele Atlas.
www.nanpa.com/area_code_maps/ac_map_static.html
AmeriCom Long Distance Area Decoder
Provides current information related to area codes, city codes, and country codes. Search by names or codes at the city, state, or country level.
decoder.americom.com
Area Codes Lookup
Look up U.S. area codes and ZIP codes, or find postal and phone information for a town, city, or county.
www.area-codes.com
Fone Finder
Identifies the city associated with a specific area code and prefix. Also identifies international country codes and the geographical location of the telephone.
www.fonefinder.net
Telephone Prefix Location List
Find city information by area code and prefix.
www.thedirectory.org/pref
North American Numbering Plan Administration (NANPA)
Neutral, third party administrator that works with the telecommunications industry in developing area code relief plans. Also oversees the assignment of codes and other numbering resources throughout the United States, Canada, Bermuda, and 16 Caribbean countries.
www.nanpa.com
Telephone Area Code Finder
Area code and time zone information for North America.
www.mmiworld.com/telephone.htm
SuperPhone.net: Area Code Finder
Find area codes for North America and the Caribbean and country codes worldwide.
www.superphone.net/area_state.html
USAers.com: Area Code Directory
U.S. area code directory by state and city. Reverse search is also available.
www.usaers.com/Area_Codes
All Area Codes
Directory of U.S. area codes by state plus cities within each area code. Also lists Canadian area codes by province or territory.
www.allareacodes.com
Jay Computer Services: ZIP and Area Codes
ZIP code and area code lookup and conversion database. Includes reverse area code lookup and Canadian postal codes.
www.jcsm.com
WhitePages.Com: Area Code Lookup
Area code and reverse area code finder, letting you enter a city and state to find an area code, or enter an area code to find the associated cities and state.
www.whitepages.com/10001/area_codes
Qwest: Area Codes
Offers a clickable map for viewing area codes in each state around the U.S., by region.
www.qwest.com/areaCodes
NANPA Area Codes
Search by area code or select by geographic location. Includes information on planned area codes not yet in service and links to area code maps for the U.S. and Canada.
www.nanpa.com/area_codes
US And Canadian Area Code Listings: ABTolls.com
Quick reference to U.S. and Canadian area codes, sorted into lists by area code and location.
abtolls.com/information/areacodes.html
1+ Area Codes & Country Codes
Directory of U.S. area codes and international country calling codes. Includes world city dialing codes by city name and by number.
www.1AreaCodesCountryCodes.com
Area Codes.org
Search by area code, state abbreviation, or city name.
www.areacodes.org
Area Code Listing, by Number
Search U.S. and international area codes by number to find what major cities the area code contains. Also find links to other area code resources.
www.bennetyee.org/ucsd-pages/area.html
AreaCode-Info.com
Features code lists, maps, and news to help you keep up with all the changes.
www.areacode-info.com
Addresses.com: Area Code Directory
Look up area codes by states and cities. Also includes ZIP codes, time zones, and links to local white and yellow pages.
areacodes.addresses.com/area_codes.php