Gerlaw, Illinois
Gerlaw, Illinois, in Warren County, has ZIP code 61435 and area code 309, with 861 as an overlay.
- ZIP code
- 61435
- Area codes
- 309, 861
- County
- Warren County
- State
- Illinois
- Time zone
- Central Time
- Coordinates
- 40.9863, -90.5491
ZIP codes in Gerlaw
Area codes for Gerlaw
- Area code 309
In service since 1957. Shares its area with 861. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.
- Area code 861
In service since February 24, 2023. Shares its area with 309. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.
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
Gerlaw is in the Central Time zone.
Towns near Gerlaw
- Alexis7.3 km (4.5 mi)
- Cameron11.6 km (7.2 mi)
- Monmouth11.6 km (7.2 mi)
- North Henderson14.2 km (8.8 mi)
- Galesburg15.5 km (9.6 mi)
- Little York16 km (9.9 mi)
- Henderson16.7 km (10 mi)
- Rio19.2 km (12 mi)
Local numbers in area code 309
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- (309) 381-8008Galesburg, IL$69View & buy
- (309) 480-1881Castleton, IL$69View & buy
- (309) 520-7888Rock Island, IL$69View & buy
- (309) 560-5777Colfax, IL$69View & buy
- (309) 560-5888Colfax, IL$69View & buy
- (309) 590-9888Bloomington, IL$69View & buy
- (309) 600-3777Preemption, IL$69View & buy
- (309) 600-3888Preemption, IL$69View & buy
- (309) 600-6777Preemption, IL$69View & buy
- (309) 600-6888Preemption, IL$69View & buy
- (309) 610-3777Forest City, IL$69View & buy
- (309) 610-3888Forest City, IL$69View & buy
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