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920 Area Code

Area code 920 serves Green Bay, Appleton, Oshkosh, Sheboygan, Fond du Lac and nearby communities in Wisconsin. It has been in service since July 26, 1997, when it was split from 414.

StateWisconsin
Time zoneCentral
Local time now…
Prefixes in use785
Overlay with274
Projected to run out2059
Green BayAppletonOshkoshSheboyganFond du LacManitowocNeenahDe PereWatertownHowardFox CrossingKaukaunaMenashaAshwaubenonBellevueBeaver DamHarrisonAllouezGreenvilleSuamicoFort AtkinsonLittle ChuteHobartTwo RiversWaupunSturgeon BayPlymouthSheboygan FallsJeffersonRiponNew LondonKimberlyLake MillsBerlinNorth Fond du LacColumbusMayvilleGreen BayAppletonOshkoshSheboyganManitowocWatertown
Cities and towns served by area code 920

Who issues 920 numbers

Mobile 29%VoIP and cable 20%Landline 51%

Share of the 785 prefixes (the three digits after 920) assigned to each type of carrier. Classification by carrier name, approximate.

CarrierPrefixes
AT&T (Wisconsin Bell)141
Verizon Wireless95
UScellular50
Lumen (Level 3)48
AT&T Mobility45
Onvoy (Sinch)45
Frontier42
T-Mobile31

Cities and towns in area code 920

CityPopulationOther area codes
Green Bay106,675274
Appleton75,452
Oshkosh67,460
Sheboygan49,376274
Fond du Lac44,541
Manitowoc34,671274
Neenah27,638274
De Pere25,590
Watertown22,704
Howard22,233274
Fox Crossing19,320274
Kaukauna18,517
Menasha18,385274
Ashwaubenon17,398
Bellevue16,776274
Beaver Dam16,542
Harrison14,492
Allouez13,838
Greenville13,388
Suamico13,153274
Fort Atkinson12,388
Little Chute11,800
Hobart11,674
Two Rivers11,222274
Waupun11,150
Sturgeon Bay9,917
Plymouth8,821
Sheboygan Falls8,687
Jefferson7,814
Ripon7,738274
New London7,726274
Kimberly7,556
Lake Mills6,655274
Berlin5,588
North Fond du Lac5,425
Columbus5,400274
Mayville5,184

Got a call from 920?

A 920 number was originally issued in Wisconsin, but that does not prove the caller is there. 20% of 920 prefixes belong to VoIP and cable providers, whose numbers can be bought online and used from anywhere. Caller ID can also be spoofed, so treat urgent requests for money, codes or passwords from any area code with suspicion, and call back on a number you already know.

All 785 prefixes in area code 920

Format: (920) XXX-YYYY. Carrier is the company the block was originally assigned to; numbers may since have been ported to another carrier.

Questions about area code 920

Where is area code 920?
Area code 920 is in Wisconsin. It covers Green Bay, Appleton, Oshkosh, Sheboygan, Fond du Lac, Manitowoc and 31 more cities and towns.
What time zone is area code 920?
Area code 920 is in the Central time zone.
Is 920 a toll-free number?
No. 920 is a geographic area code in Wisconsin. Toll-free numbers in the US start with 800, 833, 844, 855, 866, 877 or 888.
Why does 920 share its area with 274?
274 and 920 form an overlay: they cover the same territory, so new numbers there can get any of these codes, and local calls need all 10 digits.
Will area code 920 run out of numbers?
NANPA's latest forecast projects the 274/920 overlay to exhaust in the second quarter of 2059. Before that happens, a new area code is usually added as an overlay; existing numbers keep their code.

Other area codes in Wisconsin