A wide area network (WAN) is a telecommunications network that extends over a large geographic area. Wide area networks are often established with leased telecommunication circuits.

WAN, or wide area network, connects networks across large geographic areas. Learn what a WAN is, how it works, and how it compares to LANs.

In its simplest form, a wide-area network (WAN) is a collection of local-area networks (LANs) or other networks that communicate with one another.

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A wide-area network (WAN) is a series of connected, telecommunication networks that span a large geographic area, typically connecting headquarters, branch offices, data centers and other critical …

It is called a wide-area network because it spans beyond a single building or large campus to include multiple locations spread across a specific geographic area, or even the world.

Nov 19, 2025 · What is a wide area network? A wide area network (WAN) is a telecommunications network that connects multiple local area networks (LANs) or other networks. This allows devices …