Grantfork, Illinois

Nearest ZIP codes to Grantfork

This is the ZIP code nearest to Grantfork, each listed with the post office it is named after.

Area codes for Grantfork

• 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

Grantfork is in the Central Time zone.

Towns near Grantfork

• Highland7.1 km (4.4 mi)
• Pierron7.9 km (4.9 mi)
• Alhambra9.1 km (5.7 mi)
• Old Ripley11 km (6.8 mi)
• Marine11 km (6.8 mi)
• Pocahontas13.1 km (8.1 mi)
• St. Jacob14.7 km (9.1 mi)
• New Douglas16.9 km (11 mi)