970
Covers Colorado
City facts
Fort Collins area codes
Area codes for Colorado: history, overlays and how to dial.
970748
Fort Collins uses area codes 970 and 748.
About these area codes
748
Covers Colorado
How to call a number in Fort Collins
Inside the US
1 (970) 555-0123Dial 1, the area code, then the seven-digit number.Local call
555-0123Many areas now require the area code for local calls too; if a seven-digit call fails, add it.From outside the US
+1 970 555 0123Use your country's exit code or +, then 1 for the US.Fort Collins is on Mountain Time (MT); check the time before calling from another zone.
Fort Collins quick facts
Fort Collins was incorporated on February 12, 1883.
Incorporated1883February 12, 1883
CountyLarimer CountyColorado
Area codes970, 748Population169,705Census ACS estimateZIP codes580521, 80524, 80525…Elevation4,997 ft1,523 m
Time zoneMountain TimeMT
Dates, namesake and elevation from Wikipedia: Fort Collins, Colorado and Wikidata (checked 2026-11-08); population and ZIP codes from the U.S. Census Bureau.
Questions
What area code is Fort Collins?
Fort Collins uses area codes 970 and 748.
What time zone is area code 970 in?
Fort Collins is on Mountain Time (MT).
Sources: Area codes 970 and 748, Area codes 970 and 748 (Wikipedia) and Wikidata, checked 2026-11-08. Numbering plans change; the North American Numbering Plan Administrator is the official record.