The area code 920 is located in Appleton, Wisconsin.
Area code 920 serves Appleton, Wisconsin and a wide stretch of northeast and east‑central Wisconsin. Centered in the Fox Cities along the Fox River, it reaches from the Lake Winnebago shoreline up to the Door County peninsula on Lake Michigan. The 920 area code was introduced in 1997 after a split from 414 to cover communities outside the Milwaukee metro. It follows the Central Time Zone and is part of the North American Numbering Plan for U.S. phone numbers.
Major cities and communities with 920 phone numbers include:
The region covered by 920 includes well-known landmarks like Lambeau Field in Green Bay, the Lake Winnebago chain, and the lighthouses and state parks of Door County. Appleton is home to Lawrence University and sits at the heart of the Fox Cities, a cluster of communities tied together by the Fox River. Oshkosh hosts one of Wisconsin’s biggest annual events. “AirVenture attracts more than 600,000 people annually.” — Experimental Aircraft Association (EAA)
If you see a 920 phone number, it most often originates from northeast Wisconsin, including Appleton and nearby Fox Cities communities. Calling from outside the U.S.? Dial +1 920 followed by the seven-digit local number. For many residents and businesses, 920 is the everyday code that links the Green Bay–Appleton–Oshkosh corridor with the lakeshore cities and Door County. It’s a key identifier for Appleton, WI and the broader 920 calling area.