920 area code
Green Bay area, Central Time.Area code 920 covers Green Bay, Appleton, Oshkosh and 123 more places in Wisconsin, on Central Time. 274 covers the same area.
Right now in Green Bay
Central Time (CST, UTC-6; CDT, UTC-5 in summer)
Calling hours: Every day, 8 AM to 9 PM (the federal rule)
Small talk
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Where 920 numbers come from
Numbers are issued by rate center, a billing area named for its main town. 920 has 126. Each one's share is how many 920 numbers start there. Its biggest metro area is Madison, WI.
- Green Bay14%
- Appleton12%
- Oshkosh5%
- Fond du Lac4%
- Sheboygan4%
- Manitowoc3%
- De Pere3%
- Neenah3%
- Beaver Dam2%
- Watertown2%
Also: Sturgeon Bay, Fort Atkinson, New London, Jefferson, Little Chute, Waupun, Weyauwega, Kewaunee, Chilton, Green Lake, Kaukauna, Plymouth + 104 more
Share of exchanges (blocks of 10,000 numbers). Source: NANPA rate center and exchange reports, November 10, 2026
When can you call a 920 number?
Sales calls to homes and cell phones have legal hours, set by the federal rule. Hold every 920 number to them, since you can't tell a work line from a personal cell.
What applies to 920Every day, 8 AM to 9 PM
- Federal (TCPA and FTC rule)Every day, 8 AM to 9 PMCalls to residential and mobile numbers. Most calls to businesses are exempt from the FTC's rule.47 CFR 64.1200(c)(1); 16 CFR 310.4(c) (opens in a new tab)
Local time comes from the area code, not from where the person is today. Mobiles keep their number when they move. Calling hours here are a guide, not legal advice. Every state's calling hours, with sources
920 and 274
920 went into service on July 26, 1997, split off from 414. 920 and 274 cover the same area, so new numbers can get either code and neighbors can have different area codes. 920 holds 97% of the area's exchanges; 274 holds the rest. Local calls take all 10 digits.
- 1997920 starts
- 2023274 overlay
Source: NANPA area code database
Calling a list of 920 numbers?
Paste it into the free phone number validator. It checks every number, finds each one's time zone and sorts the list by who you can call right now.
920 area code FAQ
What area code is 920?
920 is a Wisconsin area code for Green Bay, Appleton, Oshkosh, Fond du Lac and 122 more places.
What time zone is the 920 area code in?
Central Time (CST, UTC-6; CDT, UTC-5 in summer).
Is 274 the same as 920?
Same area, different code. 920 and 274 cover the same area (an overlay), so new numbers can get any of them and local calls take all 10 digits.
What are the calling hours for 920 numbers?
Every day, 8 AM to 9 PM, local time, under the federal rule.
When did the 920 area code start?
On July 26, 1997. It was split from 414.
Calling 920 numbers? Reach more of them.
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