Connecticut Phone Numbers

  • Connecticut's 203 area code serves the Greater New Haven & Bridgeport areas. It was established in 1947 as Connecticut's first area code.

    View Connecticut 203- numbers

  • The 475 area code covers parts of Connecticut and is an overlay of 203 and 860, meaning locals may need to dial 10-digit numbers to complete calls.

    View Connecticut 475- numbers

  • Area code 959 is Connecticut's newest area code. It was introduced in August 2014 to help meet increasing demands for telephone numbers in the state.

    View Connecticut 959- numbers