Term of the Moment


Look Up Another Term

Definition: exchange

(1) A local telephone area. In the U.S., the exchange part of a telephone number follows the area code. For example, in the hypothetical number (201 123-4567), "123" would be the exchange.

(2) For Internet junctions, see IXP.

(3) For crypto, see crypto exchange.

(4) For Microsoft's email, see Microsoft Exchange.