Sullivan, Wisconsin
Sullivan, Wisconsin, in Jefferson County, has ZIP code 53178 and area code 920, with 274 as an overlay.
- ZIP code
- 53178
- Area codes
- 920, 274
- County
- Jefferson County
- State
- Wisconsin
- Time zone
- Central Time
- Coordinates
- 42.9982, -88.6026
ZIP codes in Sullivan
Area codes for Sullivan
- 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
Sullivan is in the Central Time zone.
Towns near Sullivan
- Rome4.1 km (2.5 mi)
- Helenville5.8 km (3.6 mi)
- Dousman10.7 km (6.6 mi)
- Hebron11.3 km (7.0 mi)
- Summit11.5 km (7.1 mi)
- Palmyra13.3 km (8.3 mi)
- Oconomowoc15.6 km (9.7 mi)
- Ixonia16.7 km (10 mi)
Local numbers in area code 920
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