Hartford County · Connecticut
Hartford, CT area codes and time zone
Quick answer
Hartford is served by area codes 203, 413, 860, 959, keeps EST time (GMT-4), and sits in county FIPS 09110.
- Area codes
- 203 · 413 · 860 · 959Within 25 miles of the city centre
- Time zone
- ESTAmerica/New_York
- UTC offset
- GMT-4EDT in summer
- County FIPS
- 09110Hartford County
Dialling from and to Hartford
What this means when you pick up the phone.
Because more than one code covers this area, ten-digit dialling applies for local calls: area code plus number, every time. From abroad, dial +1 then the ten digits.
More on Hartford
Other reference data for this city.