Lake Mills, Wisconsin
Lake Mills, Wisconsin, in Jefferson County, has ZIP code 53551 and area code 920, with 274 as an overlay.
- ZIP code
- 53551
- Area codes
- 920, 274
- County
- Jefferson County
- State
- Wisconsin
- Time zone
- Central Time
- Coordinates
- 43.0816, -88.9133
ZIP codes in Lake Mills
Area codes for Lake Mills
- 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
Lake Mills is in the Central Time zone.
Towns near Lake Mills
- Lake Ripley10.2 km (6.3 mi)
- Johnson Creek10.6 km (6.6 mi)
- Jefferson12.4 km (7.7 mi)
- Waterloo12.7 km (7.9 mi)
- Cambridge13.3 km (8.3 mi)
- Deerfield14.3 km (8.9 mi)
- Rockdale15.6 km (9.7 mi)
- Marshall16 km (9.9 mi)
Local numbers in area code 920
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