Eldora, Colorado

Nearest ZIP codes to Eldora

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

Area codes for Eldora

• Area code 303

  In service since 1947. Shares its area with 720 and 983. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

• 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 720

  In service since June 1, 1998. Shares its area with 303 and 983. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

• Area code 983

  In service since June 17, 2022. Shares its area with 303 and 720. 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

Eldora is in the Mountain Time zone.

Towns near Eldora

• Rollinsville8.5 km (5.3 mi)
• Nederland8.9 km (5.5 mi)
• Bonanza Mountain Estates9.2 km (5.7 mi)
• St. Ann Highlands11.5 km (7.1 mi)
• Pinecliffe13.7 km (8.5 mi)
• Ward14.3 km (8.9 mi)
• Sugarloaf16.5 km (10 mi)
• St. Mary's16.6 km (10 mi)