928
Covers Arizona
In service since 2001
Split from area code 520
City facts
Flagstaff area code
Area code for Arizona: history, overlays and how to dial.
928
Flagstaff uses area code 928.
About area code 928
How to call a number in Flagstaff
Inside the US
1 (928) 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
+1 928 555 0123Use your country's exit code or +, then 1 for the US.Flagstaff is on Mountain Standard Time, no daylight saving (MST); check the time before calling from another zone.
Other cities that share 928
Flagstaff quick facts
Flagstaff was settled in 1876 and incorporated in 1928.
Settled1876
Incorporated1928
CountyCoconino CountyArizona
Area code928Population76,333Census ACS estimateZIP codes486001, 86004, 86005…Elevation6,821 ft2,079 m
Time zoneMountain Standard Time, no daylight savingMST
Dates, namesake and elevation from Wikipedia: Flagstaff, Arizona and Wikidata (checked 2026-11-08); population and ZIP codes from the U.S. Census Bureau.
Questions
What area code is Flagstaff?
Flagstaff uses area code 928.
When did area code 928 start?
Area code 928 dates from 2001, when it was split from area code 520.
What time zone is area code 928 in?
Flagstaff is on Mountain Standard Time, no daylight saving (MST).
What other cities use area code 928?
Other cities in this network that share 928 include Sedona.
Sources: Area code 928 (Wikipedia) and Wikidata, checked 2026-11-08. Numbering plans change; the North American Numbering Plan Administrator is the official record.