Interexchange Carrier

An Interexchange Carrier (IXC) is a U.S. legal and regulatory term for a telecommunications company, commonly called a long-distance telephone company, such as MCI (before its absorption by Verizon), Sprint and the former AT&T Corporation (before its merger with SBC in 2005) in the United States. It is defined as any carrier that provides inter-LATA communication, where a LATA is a local access and transport area.

Read more about Interexchange Carrier:  How It Works, Carrier Identification Code, Interexchange Carriers and Mobile Phones

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