ZIP CodesConnecticut ZIP codes: every city, town and county
429 ZIP codes of Connecticut (CT), listed by place and by county. Every code of the state starts with 0.
Connecticut at a glance
- ZIP codes in this list
- 429
- Lowest and highest
- 06001 to 06927
- First digit
- 0
- Three-digit prefixes
- 10, from 060 to 069
- Counties or equivalent areas
- 15
- Places named
- 267
- Most codes for one place
- Hartford (36)
- Largest ZIP code area
- 06076 Stafford Springs, 86.6 sq mi
By county
- Capitol Region 119
- Connecticut Metropolitan 20
- Fairfield 1
- Litchfield 2
- Lower Connecticut River Valley 25
- Middlesex 1
- Naugatuck Valley 41
- New London 2
- Northeastern Connecticut 31
- Northwest Hills 34
- South Central Regional 48
- Southeastern Connecticut 36
- Tolland 4
- Western Connecticut 64
- Windham 1
By city or town
No place in Connecticut matches. Try fewer letters, or the look-up for the whole country.
Places and counties: GeoNames. Areas: U.S. Census Bureau, 2024 ZIP Code Tabulation Areas. Checked in November 2026. Not connected with the United States Postal Service; for mailing, confirm the address with USPS.