CONNECTICUT · STATE GUIDE
Connecticut area codes: Bridgeport, Stamford, New Haven, and Hartford
- Local date and time
- Eastern Time
Map data: HSIP (2010) · NANPA · US Census Bureau, checked 26 September 2026. Boundaries are approximate.
Use arrow keys to pan. To zoom, use plus and minus, or hold Ctrl or ⌘ and scroll. On touch screens, use two fingers.
Download the Connecticut area code map
A printable Connecticut area code location map, with time zone and state. Use the PNG image in a document or slide; the SVG stays sharp at any size.
Connecticut area codes at a glance
- Area codes
- 4
- Counties
- 9
- Cities
- 30
- Population (2025)
- 3.7 million
- Time zone
- Eastern
History
- 1947 · First area codesConnecticut started with 203.
- 1995 · SplitsOne code split from an existing one.
- 2009–2014 · OverlaysTwo overlay codes added, so existing numbers kept their codes.
Area codes by region
| Region | Key cities | Cities | Area codes |
|---|---|---|---|
| Bridgeport-Stamford-Danbury, CT | Bridgeport, Stamford, Norwalk | 5 | 203 and 475 |
| New Haven, CT | New Haven, Meriden, Milford | 3 | 203 and 475 |
| Hartford-West Hartford-East Hartford, CT | Hartford, New Britain, Middletown | 3 | 860 and 959 |
| Waterbury-Shelton, CT | Waterbury, Bristol, Naugatuck | 3 | 203, 475, 860, and 959 |
| Norwich-New London-Willimantic, CT | Norwich, New London, Jewett City | 3 | 860 and 959 |
| Torrington, CT | Torrington, Litchfield | 2 | 860 and 959 |
| Putnam, CT | Danielson | 1 | 860 and 959 |
Cities with populations
| City | Population |
|---|---|
| Bridgeport | 152,273 |
| Stamford | 139,535 |
| New Haven | 138,774 |
| Hartford | 121,981 |
| Waterbury | 115,771 |
| Norwalk | 94,508 |
| Danbury | 89,033 |
| New Britain | 76,286 |
| Bristol | 62,341 |
| Meriden | 60,810 |
| Milford | 51,215 |
| Middletown | 48,439 |
| Norwich | 40,001 |
| Torrington | 35,796 |
| Naugatuck | 32,230 |
| New London | 28,003 |
| Danielson | 4,265 |
| Jewett City | 3,456 |
| Newtown | 1,980 |
| Litchfield | 1,220 |
Notable places and their area codes
| Place | Where | What it is | Area codes |
|---|---|---|---|
| Yale University | 0.1 km from New Haven | University, 16,784 12-month enrollment (2023–24) | 203 and 475 |
| Wesleyan University | 0.8 km from Middletown | University, 4,158 12-month enrollment (2023–24) | 860 and 959 |
| University of Connecticut | 0.2 km from Storrs | University, 47,445 12-month enrollment (2023–24) | 860 and 959 |
| Yale Law School | 0.3 km from New Haven | College | 203 and 475 |
| Bradley International Airport | 2.3 km from Windsor Locks | Commercial airport, 3,285,194 enplanements (2024) | 860 and 959 |
| Yale University Art Gallery | 0.6 km from New Haven | Museum | 203 and 475 |
| Glass House | 3.3 km from New Canaan | Museum | 203 and 475 |
| University of Hartford | 4.7 km from Hartford | University, 6,922 12-month enrollment (2023–24) | 860 and 959 |
| Yale Peabody Museum | 0.6 km from New Haven | Museum | 203 and 475 |
| Wadsworth Atheneum Museum of Art | 0.7 km from Hartford | Museum | 860 and 959 |
Questions about Connecticut area codes
How many area codes does Connecticut have?
Connecticut has 4 area codes: 203, 475, 860, and 959.
What time zone is Connecticut in?
Connecticut is in Eastern Time. Daylight saving time is observed.
Which Connecticut area codes are overlays?
475 was added as an overlay on 203 on 12 December 2009. 959 was added as an overlay on 860 on 30 August 2014.
How many counties are in Connecticut?
Connecticut has 9 counties and equivalents (Census Bureau, 2025).
What cities have area codes in Connecticut?
Connecticut has 30 incorporated places. The largest are Bridgeport, Stamford, New Haven, Hartford, and Waterbury.
Are Connecticut area codes toll free?
No. Connecticut's area codes are all geographic. The toll-free codes are 800, 833, 844, 855, 866, 877, and 888.
Sources: population, US Census Bureau state population estimates, 2025 (state-wide; not an area-code population). Area codes and in-service dates, the North American Numbering Plan Administrator.
Business phone numbers in Connecticut, answered by an AI agent
A local number for Connecticut, with an AI receptionist that takes caller details, answers the questions you give it, and books appointments. Numbers depend on what carriers have left.