Mount Vernon, Illinois
Mount Vernon, Illinois, in Jefferson County, has ZIP code 62864 and area code 618, with 730 as an overlay.
- ZIP code
- 62864
- Area codes
- 618, 730
- County
- Jefferson County
- State
- Illinois
- Time zone
- Central Time
- Coordinates
- 38.3170, -88.9105
ZIP codes in Mount Vernon
Area codes for Mount Vernon
- 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
Mount Vernon is in the Central Time zone.
Towns near Mount Vernon
Local numbers in area code 618
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- (618) 878-1987Mount Carmel, IL$59View & buy
- (618) 880-9678Nashville, ILAlso spells WORT$59View & buy
- (618) 880-9789Nashville, IL$59View & buy
- (618) 880-9870Nashville, IL$59View & buy
- (618) 880-9871Nashville, IL$59View & buy
- (618) 880-9872Nashville, IL$59View & buy
- (618) 880-9873Nashville, IL$59View & buy
- (618) 880-9874Nashville, IL$59View & buy
- (618) 880-9875Nashville, IL$59View & buy
- (618) 880-9877Nashville, IL$59View & buy
- (618) 880-9878Nashville, IL$59View & buy
- (618) 880-9879Nashville, IL$59View & buy
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