Superior, Colorado

Nearest ZIP codes to Superior

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

Area codes for Superior

• 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

Superior is in the Mountain Time zone.

Towns near Superior

• Louisville5.4 km (3.4 mi)
• Paragon Estates5.9 km (3.7 mi)
• Broomfield7.7 km (4.8 mi)
• Lafayette9.2 km (5.7 mi)
• Eldorado Springs11 km (6.8 mi)
• Valmont12.1 km (7.5 mi)
• Arvada13.1 km (8.1 mi)
• Shaw Heights13.1 km (8.1 mi)