920-923 Prefix — Fonddu Lac, Wisconsin

Phone numbers starting with 920-923 are based in Fonddu Lac, Wisconsin, primarily served by Ameritech Wisconsin.

Recently looked-up numbers in 920-923

• 920-923-4460
• 920-923-4042

More about this region

Area code 920 directory · About area code 920 · Get a WI phone number

Last updated: August 5, 2026