Darien, Illinois

ZIP codes in Darien

Area codes for Darien

• 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

Darien is in the Central Time zone.

Towns near Darien

• Westmont3.3 km (2.1 mi)
• Willowbrook3.9 km (2.4 mi)
• Lemont4 km (2.5 mi)
• Burr Ridge5 km (3.1 mi)
• Downers Grove5.1 km (3.2 mi)
• Woodridge5.8 km (3.6 mi)
• Clarendon Hills6.2 km (3.9 mi)
• Indian Head Park7.4 km (4.6 mi)