Number of central office switches with 20,000 or more lines in the U.S.

Total number of central office switches with 20,000 or more lines in the United States from 1996 to 2009

Number of central office switches with 20,000 or more lines in the U.S. since 1996

Last update:

Jan 1, 2012

Author:

��ƽ�� Research Department

Region:

United States

Survey time period:

From 01/01/1996 to 31/12/2009

The statistic shows the number of central office switches with 20,000 or more lines in the United States from 1990 to 2007. In 1997, there were 2,714 central office switches with 20,000 or more lines in the United States.

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Total number of central office switches with 20,000 or more lines in the United States from 1996 to 2009

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