Saint Charles, Illinois

ZIP codes in Saint Charles

Area codes for Saint Charles

• Area code 630

  In service since August 3, 1996. Shares its area with 331. Local calls are dialed with 1 plus ten digits.

• Area code 331

  In service since October 7, 2007. Shares its area with 630. Local calls are dialed with 1 plus ten digits.

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

Saint Charles is in the Central Time zone.

Towns near Saint Charles

• St. Charles3.6 km (2.2 mi)
• Lafox5.9 km (3.7 mi)
• Wasco5.9 km (3.7 mi)
• Campton Hills5.9 km (3.7 mi)
• Geneva6.2 km (3.9 mi)
• South Elgin8.2 km (5.1 mi)
• Wayne8.2 km (5.1 mi)
• Batavia10 km (6.2 mi)