Round Lake Heights, Illinois

Nearest ZIP codes to Round Lake Heights

These are the ZIP codes nearest to Round Lake Heights, each listed with the post office it is named after.

Area codes for Round Lake Heights

• Area code 847

  In service since January 20, 1996. Shares its area with 224. Local calls are dialed with 1 plus ten digits.

• Area code 224

  In service since January 5, 2002. Shares its area with 847. 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

Round Lake Heights is in the Central Time zone.

Towns near Round Lake Heights

• Round Lake Beach2.1 km (1.3 mi)
• Long Lake2.2 km (1.4 mi)
• Round Lake2.4 km (1.5 mi)
• Fox Lake Hills3.6 km (2.2 mi)
• Fox Lake4.9 km (3.0 mi)
• Ingleside5 km (3.1 mi)
• Round Lake Park5.3 km (3.3 mi)
• Venetian5.5 km (3.4 mi)