Skip to content

Connecticut ZIP codes

Connecticut has 429 ZIP codes (06001–06927) across 267 cities and towns and 16 counties.

ZIP codes
429
With delivery area
288
Population in ZIPs
3,624,508
Cities & towns
267
Loading map…

Richest ZIP codes in Connecticut Most expensive ZIP codes

Zoom in to see ZIP code boundaries. Click a dot to open a ZIP code, or anywhere else to see which ZIP it's in.

Largest cities in Connecticut

Connecticut ZIP codes by county

Most populated Connecticut ZIP codes

  1. 06902 Stamford – 73,392
  2. 06010 Bristol – 61,684
  3. 06810 Danbury – 55,833
  4. 06516 West Haven – 55,351
  5. 06511 New Haven – 54,730
  6. 06606 Bridgeport – 49,308
  7. 06457 Middletown – 46,720
  8. 06492 Wallingford – 44,498
  9. 06484 Shelton – 41,889
  10. 06082 Enfield – 41,090

All Connecticut cities and towns

Frequently asked questions

How many ZIP codes are in Connecticut?

Connecticut has 429 ZIP codes: 288 with a delivery area and 141 PO Box or single-organization ZIP codes.

What ZIP codes does Connecticut use?

Connecticut ZIP codes run from 06001 to 06927.

Which Connecticut ZIP code has the most people?

ZIP code 06902 in Stamford has the largest population, about 73,392 residents (ACS 2020–2024).