Sandwich, Illinois
Sandwich, Illinois, in DeKalb County, has ZIP code 60548 and area code 815, with 779 as an overlay.
- ZIP code
- 60548
- Area codes
- 815, 779
- County
- DeKalb County
- State
- Illinois
- Time zone
- Central Time
- Coordinates
- 41.6353, -88.6393
ZIP codes in Sandwich
Area codes for Sandwich
- 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
Sandwich is in the Central Time zone.
Towns near Sandwich
- Lake Holiday2.7 km (1.7 mi)
- Somonauk3.5 km (2.2 mi)
- Millbrook8.3 km (5.2 mi)
- Millington8.9 km (5.5 mi)
- Plano9.1 km (5.7 mi)
- Leland11.5 km (7.1 mi)
- Sheridan13.5 km (8.4 mi)
- Hinckley14.9 km (9.3 mi)
Local numbers in area code 815
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- (815) 390-7772Braidwood, IL$89View & buy
- (815) 390-7774Braidwood, IL$89View & buy
- (815) 550-7773Grant Park, IL$89View & buy
- (815) 620-7775Minooka, IL$89View & buy
- (815) 620-7778Minooka, IL$89View & buy
- (815) 640-7774Ottawa, IL$89View & buy
- (815) 640-7779Ottawa, IL$89View & buy
- (815) 769-1717Seneca, IL$89View & buy
- (815) 770-5557Harvard, IL$89View & buy
- (815) 770-7773Harvard, IL$89View & buy
- (815) 770-7774Harvard, IL$89View & buy
- (815) 770-7878Harvard, ILAlso spells RUST$89View & buy
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