Niwot, Colorado
Niwot, Colorado, in Boulder County, has ZIP code 80544 and area code 303, with overlays 720 and 983.
- ZIP code
- 80544
- Area codes
- 303, 720, 983
- County
- Boulder County
- State
- Colorado
- Time zone
- Mountain Time
- Coordinates
- 40.1039, -105.1708
ZIP codes in Niwot
Area codes for Niwot
- 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
Niwot is in the Mountain Time zone.
Towns near Niwot
Local numbers in area code 303
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- (303) 222-8700Denver, CO$999View & buy
- (303) 222-8899Denver, CO$999View & buy
- (303) 357-7000Denver, CO$999View & buy
- (303) 222-8900Denver, CO$1,199View & buy
- (303) 928-3000Denver, CO$1,499View & buy
- (303) 968-3000Denver, CO$1,499View & buy
- (303) 542-9000Denver, CO$1,899View & buy
- (303) 305-7000Denver, CO$1,999View & buy
- (303) 876-4444Denver, COAlso spells HIGH$1,999View & buy
- (303) 876-1111Denver, CO$2,888View & buy
- (303) 222-9999Denver, CO$19,999View & buy
- (303) 222-2098Denver, CO$249View & buy
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