Search: Middlesex - Postal Zip Code List
| City or Location | States or Territories | States or Territories Abbrieviation | Postcode or Zipcode |
|---|---|---|---|
| Centerbrook | Connecticut | CT | 06409 |
| Chester | Connecticut | CT | 06412 |
| Clinton | Connecticut | CT | 06413 |
| Cobalt | Connecticut | CT | 06414 |
| Cromwell | Connecticut | CT | 06416 |
| Deep River | Connecticut | CT | 06417 |
| Killingworth | Connecticut | CT | 06419 |
| Durham | Connecticut | CT | 06422 |
| East Haddam | Connecticut | CT | 06423 |
| East Hampton | Connecticut | CT | 06424 |
| Essex | Connecticut | CT | 06426 |
| Haddam | Connecticut | CT | 06438 |
| Higganum | Connecticut | CT | 06441 |
| Ivoryton | Connecticut | CT | 06442 |
| Middlefield | Connecticut | CT | 06455 |
| Middle Haddam | Connecticut | CT | 06456 |
| Middletown | Connecticut | CT | 06457 |
| Middletown | Connecticut | CT | 06459 |
| Moodus | Connecticut | CT | 06469 |
| Old Saybrook | Connecticut | CT | 06475 |
| Portland | Connecticut | CT | 06480 |
| Rockfall | Connecticut | CT | 06481 |
| Westbrook | Connecticut | CT | 06498 |
| Ashby | Massachusetts | MA | 01431 |
| Ayer | Massachusetts | MA | 01432 |
| Groton | Massachusetts | MA | 01450 |
| Littleton | Massachusetts | MA | 01460 |
| Pepperell | Massachusetts | MA | 01463 |
| Shirley | Massachusetts | MA | 01464 |
| Townsend | Massachusetts | MA | 01469 |