Dupo, Illinois
Dupo, Illinois, in St. Clair County, has ZIP code 62239 and area code 618, with 730 as an overlay.
- ZIP code
- 62239
- Area codes
- 618, 730
- County
- St. Clair County
- State
- Illinois
- Time zone
- Central Time
- Coordinates
- 38.5162, -90.2104
ZIP codes in Dupo
Area codes for Dupo
- 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
Dupo is in the Central Time zone.
Towns near Dupo
- East Carondelet2.3 km (1.4 mi)
- Cahokia Heights7.8 km (4.8 mi)
- Sauget9.2 km (5.7 mi)
- Columbia9.3 km (5.8 mi)
- East Saint Louis12.4 km (7.7 mi)
- East St. Louis13.1 km (8.1 mi)
- Millstadt13.3 km (8.3 mi)
- National Stock Yards15.6 km (9.7 mi)
Local numbers in area code 618
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- (618) 770-7123Hutsonville, IL$59View & buy
- (618) 770-7210Hutsonville, IL$59View & buy
- (618) 770-7234Hutsonville, IL$59View & buy
- (618) 770-7321Hutsonville, IL$59View & buy
- (618) 770-7345Hutsonville, IL$59View & buy
- (618) 770-7432Hutsonville, IL$59View & buy
- (618) 770-7456Hutsonville, IL$59View & buy
- (618) 770-7543Hutsonville, IL$59View & buy
- (618) 770-7567Hutsonville, IL$59View & buy
- (618) 770-7650Hutsonville, IL$59View & buy
- (618) 770-7651Hutsonville, IL$59View & buy
- (618) 770-7652Hutsonville, IL$59View & buy
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