Rock Falls, Illinois
Rock Falls, Illinois, in Whiteside County, has ZIP code 61071 and area code 815, with 779 as an overlay.
- ZIP code
- 61071
- Area codes
- 815, 779
- County
- Whiteside County
- State
- Illinois
- Time zone
- Central Time
- Coordinates
- 41.7665, -89.6925
ZIP codes in Rock Falls
Area codes for Rock Falls
- 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
Rock Falls is in the Central Time zone.
Towns near Rock Falls
Local numbers in area code 815
Looking for a phone number with a Rock Falls area code? These 815 numbers are for sale through Exclusive Digits. Portable to Verizon, AT&T, T-Mobile and all major US carriers.
- (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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