Crystal Lake, Illinois
Crystal Lake, Illinois, in McHenry County, has ZIP codes 60012, 60014 and 60039 and area code 815, with 779 as an overlay.
- ZIP codes
- 60012, 60014, 60039
- Area codes
- 815, 779
- County
- McHenry County
- State
- Illinois
- Time zone
- Central Time
- Coordinates
- 42.2739, -88.3687
ZIP codes in Crystal Lake
Area codes for Crystal Lake
- 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
Crystal Lake is in the Central Time zone.
Towns near Crystal Lake
- Ridgefield0.7 km (0.4 mi)
- Bull Valley5.5 km (3.4 mi)
- Prairie Grove8.1 km (5.0 mi)
- Woodstock8.3 km (5.2 mi)
- Alden8.9 km (5.5 mi)
- Lake In The Hills10.7 km (6.6 mi)
- Oakwood Hills11 km (6.8 mi)
- Burtons Bridge11.4 km (7.1 mi)
Local numbers in area code 815
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- (815) 373-8767Elwood, IL$59View & buy
- (815) 390-7707Braidwood, IL$59View & buy
- (815) 390-7747Braidwood, IL$59View & buy
- (815) 390-7787Braidwood, ILAlso spells SPUR$59View & buy
- (815) 418-6788Manhattan, IL$59View & buy
- (815) 427-9877St Anne, IL$59View & buy
- (815) 429-7770Sheldon, IL$59View & buy
- (815) 457-7657Cissna Park, IL$59View & buy
- (815) 457-7789Cissna Park, IL$59View & buy
- (815) 457-7876Cissna Park, IL$59View & buy
- (815) 457-7897Cissna Park, IL$59View & buy
- (815) 570-3210Sandwich, IL$59View & buy
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