Local Phone Numbers
Wisconsin
920 Area Code
920 Area Code
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Looking to grow your presence in Wisconsin? A 920 area code number connects you with communities in and around Green Bay, Appleton, Oshkosh, and Fond du Lac. Whether you serve manufacturing businesses, healthcare organizations, or local retailers, a 920 area code number helps you build credibility and stay recognizable to customers across the region.
With DialLink’s AI-powered business phone system, startups and SMBs can get a 920 number in minutes. Manage calls, messages, and voicemails from one platform — no matter where your team works.
The 920 area code covers much of northeast Wisconsin, including:
• Green Bay – home to industry, logistics, and professional sports
• Appleton & Oshkosh – known for education, aviation, and healthcare
• Fond du Lac & Sheboygan – hubs for manufacturing and small business growth
A 920 area code number shows customers you’re part of their local economy, even if you’re operating remotely. It builds instant trust while giving your business a professional edge.
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The 920 area code is assigned to northeastern Wisconsin, covering Green Bay, Appleton, Oshkosh, Fond du Lac, and surrounding areas.
Area code 920 is located in the state of Wisconsin, serving communities in the northeastern part of the state.
The United States doesn’t have a single national code. Instead, it uses the country code +1, followed by regional area codes.
Each area code can support up to 7.9 million unique phone numbers, though availability varies by demand and allocation.
Area codes designate geographic calling regions within the North American Numbering Plan (NANP). They help route calls efficiently across states and cities.
Area codes ensure that calls are directed to the correct region. They became essential as demand for phone lines grew and more regions required unique identifiers.