Grantsburg, Illinois
Grantsburg, Illinois, in Johnson County, has ZIP code 62943 and area code 618, with 730 as an overlay.
- ZIP code
- 62943
- Area codes
- 618, 730
- County
- Johnson County
- State
- Illinois
- Time zone
- Central Time
- Coordinates
- 37.3794, -88.7583
ZIP codes in Grantsburg
Area codes for Grantsburg
- Area code 618
In service since 1947. Shares its area with 730. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.
- Area code 730
In service since July 7, 2023. Shares its area with 618. 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
Grantsburg is in the Central Time zone.
Towns near Grantsburg
Local numbers in area code 618
Looking for a phone number with a Grantsburg area code? These 618 numbers are for sale through Exclusive Digits. Portable to Verizon, AT&T, T-Mobile and all major US carriers.
- (618) 770-7653Hutsonville, ILAlso spells POKE, POLE, ROLE$59View & buy
- (618) 770-7655Hutsonville, ILAlso spells POLL, ROLL$59View & buy
- (618) 770-7656Hutsonville, ILAlso spells POLO, SOLO$59View & buy
- (618) 770-7657Hutsonville, IL$59View & buy
- (618) 770-7658Hutsonville, ILAlso spells ROKU$59View & buy
- (618) 770-7659Hutsonville, IL$59View & buy
- (618) 770-7678Hutsonville, ILAlso spells PORT, POST, SORT$59View & buy
- (618) 770-7765Hutsonville, IL$59View & buy
- (618) 770-7789Hutsonville, IL$59View & buy
- (618) 770-7876Hutsonville, IL$59View & buy
- (618) 770-7890Hutsonville, IL$59View & buy
- (618) 770-7891Hutsonville, IL$59View & buy
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