Waterloo, Wisconsin
Waterloo, Wisconsin, in Jefferson County, has ZIP code 53594 and area code 920, with 274 as an overlay.
- ZIP code
- 53594
- Area codes
- 920, 274
- County
- Jefferson County
- State
- Wisconsin
- Time zone
- Central Time
- Coordinates
- 43.1832, -88.9838
ZIP codes in Waterloo
Area codes for Waterloo
- 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
Waterloo is in the Central Time zone.
Towns near Waterloo
- Marshall7.7 km (4.8 mi)
- Lake Mills12.7 km (7.9 mi)
- Deerfield16.3 km (10 mi)
- Reeseville16.7 km (10 mi)
- Columbus16.9 km (11 mi)
- Lake Ripley19.4 km (12 mi)
- Johnson Creek20.2 km (13 mi)
- Sun Prairie21 km (13 mi)
Local numbers in area code 920
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