Search results
Results from the WOW.Com Content Network
A telephone directory, commonly called a telephone book, telephone address book, phonebook, or the white and yellow pages, is a listing of telephone subscribers in a geographical area or subscribers to services provided by the organization that publishes the directory. Its purpose is to allow the telephone number of a subscriber identified by ...
As phone lines became more popular—between 1942 and 1962, the number of phones in the U.S. grew 230% to 76 million—telephone companies realized they would run out of phone numbers.
Telephone numbers listed in 1920 in New York City having three-letter exchange prefixes. In the United States, the most-populous cities, such as New York City, Philadelphia, Boston, and Chicago, initially implemented dial service with telephone numbers consisting of three letters and four digits (3L-4N) according to a system developed by W. G. Blauvelt of AT&T in 1917. [1]
Originally, phone numbers remained on the registry for a period of five years, but are now permanent because of the Do-Not-Call Improvement Act of 2007, effective February 2008. [ 4 ] Consumers may add landline or cellular numbers to the registry, [ 5 ] but FCC regulations prohibit telemarketers from calling a cellular phone number with an ...
The term Yellow Pages is not a registered name within the United States and is freely used by many companies. Telephone directories using the Internet domain name "yellowpages.cc" (where cc is the ccTLD) exist in 75 countries. [6] They are edited by many different phone companies and directory publishers, mostly independently.
Pages in category "Defunct telecommunications companies of the United States" The following 98 pages are in this category, out of 98 total. This list may not reflect recent changes .
This is a list of United States telephone companies. Regional Bell Operating Companies. The Regional Bell Operating Companies (RBOCs) ...
MAINWAY is a database maintained by the United States' National Security Agency (NSA) containing metadata for hundreds of billions of telephone calls made through the largest telephone carriers in the United States, including AT&T, Verizon, and T-Mobile. [1] [2]