Area Codes - Musharof Chy
North American Numbering Plan Administration: Area Codes
Find North American codes by a map, number, or location. Includes information on future planned are...
exUSSR Phone Codes
Includes all cities of Russia, Ukraine, Belorussia, Moldova, Lithuania, Latvia, Estonia, Kazakhstan...
LincMad
Information about North American area codes, featuring changes, historical data and area code map. ...
UK Phone Information
Returns area information, map, BT charge information, and nearby exchange names for telephone numbe...
World Search Dial Codes
Contains world telephone codes and time zone information. Search by city, country or number.
NPANxxsource.com
Databases of active NPA NXX combinations, telephone area codes, exchanges, and central office prefi...
Dial Codes Plus
Listing of international dialing codes and area codes with instructions.
Time and Date
International dialing codes for almost any country and area codes for many cities. The interface in...
World Telephone Numbering Guide
Lists and links to current international dialing codes and area codes with formatting guides and pr...
HowtoCallAbroad.com
Calling guide for United States and Canadian residents listing international country and city codes...
US Area Code Locations
Provides a list of towns and cities covered by each US area code including overlays and splits.
CountryCallingCodes.com
Online tool that builds dialing codes based on locations selected. Includes many international dial...