Telephone numbering plans
The Telephone Exchange Name Project
World Country Code Locator planet numbers
International Country Code Locator :: Planet Numbers Ltd
LincMad United States Area Code History and Changes
LincMad Telephone Area Codes & Splits
Free Area Code Listing (US and Canada)
Free Area Code Search
Free Area Code Information (All NANP) info
Welcome to AreaCode-Info.Com
World Telephone Numbering Guide info
World Telephone Numbering Guide
Search Area Code, Time Zone, and Location info on-line or in free download (US and Canada) ebooks
Area Codes and Time Zones - Free Searchable Version
The view on froola. Telephone_numbering_plans
OPTA the Independent Postal and Telecommunications Authority is responsible for the Dutch Numbering plan, as well as being the regulatory body governing telecommunications providers in The Netherlands.
OPTA - Toezichthouder op de post- en telecommunicatiemarkt in Nederland
SMS/800 This is the official site for the group that manages RespOrg assignments. Any company or individual may become a RespOrg by getting the proper training (available from this site), by passing the SMS/800 exam, and by paying a refundable deposit.
Welcome to SMS/800.com
Toll Free World
Toll Free World
ITU's UIFN page
International Numbering Resources
''Full automation of the telephone system'' : the White Paper which introduced STD. (The phone system was run by a Government department at that time.) Uses pre-decimal system (£sd) prices.
Full automation of the telephone system
UK phone information section locator
Phone Search Locator
UK National Telephone Numbering Plan (in PDF format) telecoms numbers
UK Numbering Policy section of Ofcom's website telecoms numbers
Ofcom Website | Numbering Policy
WhitePages.com Top US and Canadian Online Residential Directory
White Pages Phone Directory with Free People Search
411.ca Canadian White Pages
411.ca - Canadian White and Yellow Business Pages
411.Info U.S. White Pages
411.info : Yellow Pages & White Pages Telephone Directory
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