Dumont, Colorado

ZIP codes in Dumont

Area codes for Dumont

• 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 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 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

Dumont is in the Mountain Time zone.

Towns near Dumont

• Downieville-Lawson-Dumont0.6 km (0.4 mi)
• Idaho Springs2.7 km (1.7 mi)
• St. Mary's7 km (4.3 mi)
• Empire7.2 km (4.5 mi)
• Central City8.4 km (5.2 mi)
• Central8.5 km (5.3 mi)
• Georgetown10.6 km (6.6 mi)
• Blue Valley11.7 km (7.3 mi)