IC - See IEC
IEC - Interexchange Carrier
IC - IXC (IEC is preferred). A company providing long-distance phone service between LECs and LATAs .
Interexchange
Communication between two different LATAs .
InterLATA
Communication between Local Access Transport Areas. 1982 MFJ requires LECs to use an IEC for InterLATA services.
International
Between multiple nations.
Interstate
Between multiple states. Interstate communications are regulated by the FCC .
Interstate Access Charge - See Federal Subscriber Line Charge
Interstate Single Line Charge - See Federal Subscriber Line Charge
Interstate Tax Surcharge - See State and Local Taxes
