Keystone, Colorado

Nearest ZIP codes to Keystone

This is the ZIP code nearest to Keystone, each listed with the post office it is named after.

Area codes for Keystone

• Area code 970

  In service since April 2, 1995. Shares its area with 748. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

• Area code 748

  In service since July 7, 2025. Shares its area with 970. 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

Keystone is in the Mountain Time zone.

Towns near Keystone

• Dillon4.1 km (2.5 mi)
• Montezuma5.8 km (3.6 mi)
• Breckenridge13.3 km (8.3 mi)
• Blue River16.5 km (10 mi)
• Frisco17.1 km (11 mi)
• Silver Plume21.1 km (13 mi)
• Silverthorne24.4 km (15 mi)
• Georgetown25.1 km (16 mi)