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Green Bay, WI Area Codes

Green Bay, Wisconsin (population 106,675) uses area codes 920 and 274.

Area code920
Area code274
Time zoneCentral
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Green BayAppletonOshkoshSheboyganFond du LacManitowocNeenahDe PereWatertownHowardFox CrossingKaukaunaMenashaGreen Bay
Green Bay and nearby cities in area code 920

Carriers with Green Bay numbers

115 prefixes are assigned to the Green Bay exchange: 27% mobile, 17% VoIP and cable, 57% landline.

CarrierPrefixes
AT&T (Wisconsin Bell)34
Verizon Wireless15
Onvoy (Sinch)7
AT&T Mobility6
Tds Metrocom5
UScellular5
Lumen (Level 3)4
Paetec Itel4

Area codes used in Green Bay

Area codePrefixes serving Green BayMain carriers in this code
920111AT&T (Wisconsin Bell), Verizon Wireless, UScellular
2744Onvoy (Sinch), T-Mobile, Metropcs

Green Bay phone number prefixes

Numbers starting with these first six digits were originally assigned to the Green Bay exchange.

Nearby cities in area code 920

Questions

What is the area code for Green Bay, WI?
Green Bay uses 2 area codes: 920 and 274. They overlay each other, so all of them cover the whole city and you dial 10 digits for local calls.
What time zone is Green Bay in?
Green Bay is in the Central time zone.