Connecticut Area Codes — 4 Codes
Connecticut has 4 North American Numbering Plan area codes, covering about 7,127,049 people. The table lists each code with its largest towns, population and overlaps.
All area codes in Connecticut
| Area code | Largest towns | Population | ZIP codes | Overlaps |
|---|---|---|---|---|
| 203 | New Haven, Bridgeport, Stamford | 1,841,975 | 161 | 475 |
| 475 | New Haven, Bridgeport, Stamford | 1,841,975 | 161 | 203 |
| 860 | Hartford, New Britain, West Hartford | 1,768,703 | 263 | 959 |
| 959 | Hartford, New Britain, West Hartford | 1,674,396 | 252 | 860 |
Largest cities in Connecticut
New Haven 203, 475Bridgeport 203, 475Stamford 203, 475Hartford 860, 959Waterbury 203, 475Norwalk 203, 475Danbury 203, 475New Britain 860, 959West Hartford 860, 959Bristol 860, 959Hamden 203, 475Meriden 203, 475Manchester 860, 959Fairfield 203, 475West Haven 203, 475Stratford 203, 475Milford 203, 475East Hartford 860, 959Middletown 860, 959Wallingford 203, 475Shelton 203, 475Enfield 860, 959Greenwich 203, 475Trumbull 203, 475Norwich 860, 959Torrington 860, 959Southington 860, 959Naugatuck 203, 475Newington 860, 959Vernon Rockville 860, 959Glastonbury 860, 959Groton 860, 959Windsor 860Cheshire 203, 475Branford 203, 475New London 860, 959Westport 203, 475Wethersfield 860, 959New Milford 860South Windsor 860, 959
Frequently asked questions
How many area codes does Connecticut have?
Connecticut uses 4 area codes.
What is the main area code in Connecticut?
203 covers the largest population in Connecticut.
How do I find the area code for a town?
Open the town in the city list above; each town page lists every area code assigned to it.