Pima County · Arizona
Tucson, AZ area codes and time zone
Quick answer
Tucson is served by area code 520, keeps MST time (GMT-7), and sits in county FIPS 04019.
- Area code
- 520Within 25 miles of the city centre
- Time zone
- MSTAmerica/Phoenix
- UTC offset
- GMT-7No DST change
- County FIPS
- 04019Pima County
Dialling from and to Tucson
What this means when you pick up the phone.
Local calls inside 520 may still work on seven digits, but ten-digit dialling is the safe default everywhere in the country now. From abroad, dial +1 then the ten digits.
More on Tucson
Other reference data for this city.