Title :
Nation-wide telephone numbering plan
Author_Institution :
American Telephone and Telegraph Company, New York, N. Y.
Abstract :
At the present time a great variation in the types of telephone numbers exists. This is because of the number of telephones in communities of different sizes. With the advent of local dialing and now nation-wide dialing, a uniform numbering system has become necessary.
Keywords :
Accuracy; Central office; Cities and towns; Communities; Irrigation; Stators; Transportation;
Journal_Title :
Electrical Engineering
DOI :
10.1109/EE.1952.6437727
