Oshkosh, Wisconsin

Oshkosh, Wisconsin, in Winnebago County, has ZIP codes 54901, 54902, 54903, 54904 and 54906 and area code 920, with 274 as an overlay.

ZIP codes: 54901, 54902, 54903, 54904 …
Area codes: 920, 274
County: Winnebago County
State: Wisconsin
Time zone: Central Time
Coordinates: 44.0368, -88.5933

ZIP codes in Oshkosh

ZIP code	Post office	County	Area codes
54901	Oshkosh	Winnebago County	920, 274
54902	Oshkosh	Winnebago County	920, 274
54903^*	Oshkosh	Winnebago County	920, 274
54904	Oshkosh	Winnebago County	920, 274
54906^*	Oshkosh	Winnebago County	920, 274

* No mapped delivery area: P.O. boxes or a single organization. Area codes are those of the nearest ZIP code area.

Area codes for Oshkosh

Area code 920
In service since July 26, 1997. Shares its area with 274. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.
Area code 274
In service since May 5, 2023. Shares its area with 920. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

Area codes here are matched from telephone rate centers, so a place near a boundary can have local numbers from either side of it.

Time zone

Oshkosh is in the Central Time zone.

Towns near Oshkosh

Winnebago7.1 km (4.4 mi)
Butte Des Morts8.8 km (5.5 mi)
Omro12.7 km (7.9 mi)
Winneconne13.7 km (8.5 mi)
Waukau15.2 km (9.4 mi)
Pickett17.9 km (11 mi)
Winchester18.7 km (12 mi)
Neenah19 km (12 mi)

Local numbers in area code 920

Looking for a phone number with a Oshkosh area code? These 920 numbers are for sale through Exclusive Digits. Portable to Verizon, AT&T, T-Mobile and all major US carriers.

We may earn a commission when you buy through our links. Numbers are sold and delivered by Exclusive Digits.

More area code 920 numbers on Exclusive Digits