Rock, Illinois
No ZIP code carries the name of Rock, Illinois, in Stephenson County; the nearest ZIP codes are 61018, 61019 and 61070, in area code 815, with 779 as an overlay.
- Nearest ZIP
- 61018, 61019, 61070
- Area codes
- 815, 779
- County
- Stephenson County
- State
- Illinois
- Time zone
- Central Time
- Coordinates
- 42.4130, -89.4710
Nearest ZIP codes to Rock
These are the ZIP codes nearest to Rock, each listed with the post office it is named after.
Area codes for Rock
- 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 is in the Central Time zone.
Towns near Rock
- Rock City0.5 km (0.3 mi)
- Davis6.2 km (3.9 mi)
- Dakota6.3 km (3.9 mi)
- Lake Summerset8.1 km (5.0 mi)
- Ridott12.6 km (7.8 mi)
- Durand13.5 km (8.4 mi)
- Cedarville14.2 km (8.8 mi)
- Pecatonica15.7 km (9.8 mi)
Local numbers in area code 815
Looking for a phone number with a Rock area code? These 815 numbers are for sale through Exclusive Digits. Portable to Verizon, AT&T, T-Mobile and all major US carriers.
- (815) 789-6787Orangeville, ILAlso spells OPUS$69View & buy
- (815) 789-6888Orangeville, IL$69View & buy
- (815) 855-8008Milledgeville, IL$69View & buy
- (815) 868-8008Mcconnell, IL$69View & buy
- (815) 930-3888Elizabeth, IL$69View & buy
- (815) 938-0888Forreston, IL$69View & buy
- (815) 888-0210Rochelle, IL$79View & buy
- (815) 888-0678Rochelle, IL$79View & buy
- (815) 888-0765Rochelle, IL$79View & buy
- (815) 888-6765Rochelle, IL$79View & buy
- (815) 888-6780Rochelle, IL$79View & buy
- (815) 888-6876Rochelle, IL$79View & buy
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