Dayton, Illinois
No ZIP code carries the name of Dayton, Illinois, in LaSalle County; the nearest ZIP codes are 60557 and 61350, in area code 815, with 779 as an overlay.
- Nearest ZIP
- 60557, 61350
- Area codes
- 815, 779
- County
- LaSalle County
- State
- Illinois
- Time zone
- Central Time
- Coordinates
- 41.3915, -88.7992
Nearest ZIP codes to Dayton
These are the ZIP codes nearest to Dayton, each listed with the post office it is named after.
Area codes for Dayton
- Area code 815
In service since 1947. Shares its area with 779. Local calls are dialed with 1 plus ten digits.
- Area code 779
In service since March 17, 2007. Shares its area with 815. Local calls are dialed with 1 plus ten digits.
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
Dayton is in the Central Time zone.
Towns near Dayton
- Ottawa5.6 km (3.5 mi)
- Wedron6 km (3.7 mi)
- Naplate9.5 km (5.9 mi)
- Marseilles11.1 km (6.9 mi)
- Serena12.7 km (7.9 mi)
- Harding14.6 km (9.1 mi)
- Grand Ridge17.1 km (11 mi)
- Utica17.1 km (11 mi)
Local numbers in area code 815
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- (815) 881-1876Oregon, IL$59View & buy
- (815) 881-5678Oregon, IL$59View & buy
- (815) 884-8765Earlville, IL$59View & buy
- (815) 887-8765Harvard, IL$59View & buy
- (815) 887-8767Harvard, IL$59View & buy
- (815) 567-6888Campus, IL$69View & buy
- (815) 610-1888Hennepin, IL$69View & buy
- (815) 648-8008Hebron, IL$69View & buy
- (815) 680-1881Manhattan, IL$69View & buy
- (815) 789-5677Orangeville, IL$69View & buy
- (815) 789-5888Orangeville, IL$69View & buy
- (815) 789-6777Orangeville, IL$69View & buy
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