303
Covers Colorado
Overlay with 720 and 983
City facts
Breckenridge area codes
Area codes for Colorado: history, overlays and how to dial.
303720983
Breckenridge uses area codes 303, 720 and 983. Because more than one area code serves the same area, local calls need all ten digits.
About these area codes
720
Covers Colorado
In service since 1998
Overlay with 303 and 983
983
Covers Colorado
In service since 1998
Overlay with 303 and 720
How to call a number in Breckenridge
Inside the US
1 (303) 555-0123Dial 1, the area code, then the seven-digit number.Local call
(303) 555-0123Overlay area: always include the area code.From outside the US
+1 303 555 0123Use your country's exit code or +, then 1 for the US.Breckenridge is on Mountain Time (MT); check the time before calling from another zone.
Other cities that share these codes
Breckenridge quick facts
Breckenridge was founded in November 1859 and incorporated on March 3, 1880. It is named for Thomas E. Breckenridge.
Founded1859November 1859
Incorporated1880March 3, 1880
CountySummit CountyColorado
Area codes303, 720, 983Population5,001Census ACS estimateZIP codes180424Elevation9,728 ft2,965 m
Time zoneMountain TimeMT
Dates, namesake and elevation from Wikipedia: Breckenridge, Colorado and Wikidata (checked 2026-11-08); population and ZIP codes from the U.S. Census Bureau.
Questions
What area code is Breckenridge?
Breckenridge uses area codes 303, 720 and 983. Because more than one area code serves the same area, local calls need all ten digits.
When did area code 720 start?
Area code 720 dates from 1998.
When did area code 983 start?
Area code 983 dates from 1998.
Do I need to dial the area code for local calls in Breckenridge?
Yes. 303, 720 and 983 share the same area as an overlay, so every local call needs the area code plus the seven-digit number (ten digits).
What time zone is area code 303 in?
Breckenridge is on Mountain Time (MT).
What other cities use area code 303?
Other cities in this network that share 303, 720 and 983 include Castle Rock.
Sources: Area codes 303, 720, and 983, Area codes 303, 720, and 983, Area codes 303, 720, and 983 (Wikipedia) and Wikidata, checked 2026-11-08. Numbering plans change; the North American Numbering Plan Administrator is the official record.