Counties in CT

Browse county-level ZIP code records.

Fairfield County
Connecticut · 90 ZIPs Hartford County
Connecticut · 109 ZIPs Litchfield County
Connecticut · 43 ZIPs Middlesex County
Connecticut · 23 ZIPs New Haven County
Connecticut · 79 ZIPs New London County
Connecticut · 39 ZIPs Tolland County
Connecticut · 20 ZIPs Windham County
Connecticut · 35 ZIPs