Clarendon Hills, Illinois

ZIP codes in Clarendon Hills

Area codes for Clarendon Hills

• 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

Clarendon Hills is in the Central Time zone.

Towns near Clarendon Hills

• Westmont3.1 km (1.9 mi)
• Oak Brook4.6 km (2.9 mi)
• Western Springs4.8 km (3.0 mi)
• Hinsdale5 km (3.1 mi)
• Downers Grove5.1 km (3.2 mi)
• Indian Head Park5.8 km (3.6 mi)
• Willowbrook6.1 km (3.8 mi)
• Burr Ridge6.2 km (3.9 mi)