Riverside, Connecticut

ZIP codes in Riverside

Area codes for Riverside

• Area code 203

  In service since 1947. Shares its area with 475. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

• Area code 475

  In service since December 12, 2009. Shares its area with 203. 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

Riverside is in the Eastern Time zone.

Towns near Riverside

• Old Greenwich1.2 km (0.7 mi)
• Cos Cob2 km (1.2 mi)
• Indian Field3 km (1.9 mi)
• Stamford4.4 km (2.7 mi)
• Greenwich4.8 km (3.0 mi)
• Rock Ridge5.7 km (3.5 mi)
• Pemberwick6.7 km (4.2 mi)
• Glenville7 km (4.3 mi)