Hartford, Illinois

ZIP codes in Hartford

Area codes for Hartford

• 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

Hartford is in the Central Time zone.

Towns near Hartford

• Roxana2.5 km (1.6 mi)
• South Roxana3 km (1.9 mi)
• Wood River4.1 km (2.5 mi)
• East Alton5.9 km (3.7 mi)
• Rosewood Heights6.9 km (4.3 mi)
• Mitchell7.3 km (4.5 mi)
• Cottage Hills9.4 km (5.8 mi)
• Bethalto10.2 km (6.3 mi)