Area Codes in Connecticut
Explore area codes connected to ZIP codes in Connecticut. Use this page to move between area code lookup, ZIP code coverage, and state-level browsing.
State
Connecticut
CT
ZIP codes
433
Population
3,583,561
959
Connecticut
ZIPs
267
Cities
204
Pop.
1,784,825
203
Connecticut
ZIPs
166
Cities
65
Pop.
1,798,736
About area codes in Connecticut
Area codes in Connecticut connect phone numbering geography with ZIP code regions, cities, and local coverage. Use the cards above to open each area code page, then continue to the related ZIP code pages for deeper postal lookup.