First three digits · Connecticut
ZIP Codes Starting with
64 ZIP codes start with 064, sorted at the Hartford, CT (SCF 060) sectional center (USPS labeling list L005, effective October 1, 2026) in Connecticut: 54 residential ZIP codes across 5 counties and 10 PO Box or single-organization codes (Census 2020 ZCTAs and GeoNames postal codes, October 2026).
What do the digits 064 mean?
The first digit, 0, is one of ten national areas (Connecticut, Massachusetts, Maine, New Hampshire, New Jersey, Puerto Rico, Rhode Island, Vermont, U.S. Virgin Islands and Armed Forces Europe). The first three, 064, route mail to a sectional center: USPS labeling list L005 (effective October 1, 2026) sends letters for 064 to the Hartford, CT (SCF 060) facility. The last two digits pick the delivery area. By residents, the largest town names among the 064 ZIP codes are Meriden, Milford, Middletown, Wallingford, Shelton and Southington.
The same facility sorts 10 prefixes, 484 ZIP codes in all: 010, 011, 012, 060, 061, 062, 063, 064, 065, 067.
Where are the 064 ZIP codes?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
All ZIP codes starting with 064
| County | ||||||
|---|---|---|---|---|---|---|
| 06401 | Ansonia | New Haven County | 19,315 | 3,205 | $86k | $286k |
| 06403 | Beacon Falls | New Haven County | 6,147 | 636 | $102k | $350k |
| 06404 | Botsford | Fairfield County | PO Box or unique | – | – | – |
| 06405 | Branford | New Haven County | 28,217 | 1,305 | $105k | $401k |
| 06408 | Cheshire | New Haven County | PO Box or unique | – | – | – |
| 06409 | Centerbrook | Middlesex County | 701 | 601 | $108k | $387k |
| 06410 | Cheshire | New Haven County | 28,904 | 896 | $145k | $439k |
| 06411 | Cheshire | New Haven County | PO Box or unique | – | – | – |
| 06412 | Chester | Middlesex County | 3,825 | 238 | $109k | $442k |
| 06413 | Clinton | Middlesex County | 13,377 | 826 | $125k | $380k |
| 06414 | Cobalt | Middlesex County | 302 | 285 | $131k | $356k |
| 06415 | Colchester | New London County | 16,038 | 287 | $123k | $366k |
| 06416 | Cromwell | Middlesex County | 14,334 | 1,151 | $111k | $325k |
| 06417 | Deep River | Middlesex County | 4,458 | 330 | $90k | $362k |
| 06418 | Derby | New Haven County | 12,205 | 2,418 | $79k | $259k |
| 06419 | Killingworth | Middlesex County | 6,240 | 177 | $141k | $446k |
| 06420 | Salem | New London County | 4,368 | 148 | $123k | $406k |
| 06422 | Durham | Middlesex County | 7,208 | 305 | $159k | $425k |
| 06423 | East Haddam | Middlesex County | 5,182 | 142 | $108k | $374k |
| 06424 | East Hampton | Middlesex County | 12,751 | 325 | $124k | $348k |
| 06426 | Essex | Middlesex County | 3,267 | 580 | $104k | $729k |
| 06437 | Guilford | New Haven County | 22,067 | 468 | $138k | $515k |
| 06438 | Haddam | Middlesex County | 2,887 | 207 | $121k | $363k |
| 06439 | Hadlyme | New London County | 65 | 83 | $187k | $663k |
| 06440 | Hawleyville | Fairfield County | PO Box or unique | – | – | – |
| 06441 | Higganum | Middlesex County | 5,348 | 221 | $111k | $393k |
| 06442 | Ivoryton | Middlesex County | 2,826 | 783 | $104k | $468k |
| 06443 | Madison | New Haven County | 17,657 | 488 | $169k | $585k |
| 06444 | Marion | Hartford County | 180 | 177 | $140k | $288k |
| 06447 | Marlborough | Hartford County | 6,130 | 263 | $142k | $379k |
| 06450 | Meriden | New Haven County | 35,694 | 2,564 | $71k | $243k |
| 06451 | Meriden | New Haven County | 24,851 | 2,529 | $71k | $240k |
| 06455 | Middlefield | Middlesex County | 2,480 | 231 | $104k | $389k |
| 06456 | Middle Haddam | Middlesex County | 281 | 212 | $129k | $434k |
| 06457 | Middletown | Middlesex County | 46,720 | 1,148 | $80k | $295k |
| 06459 | Middletown | Middlesex County | 1,238 | 3,718 | – | – |
| 06460 | Milford | New Haven County | 37,649 | 3,029 | $104k | $413k |
| 06461 | Milford | New Haven County | 15,035 | 1,546 | $133k | $425k |
| 06467 | Milldale | Hartford County | 405 | 1,731 | – | – |
| 06468 | Monroe | Fairfield County | 18,949 | 727 | $157k | $503k |
| 06469 | Moodus | Middlesex County | 3,311 | 330 | $105k | $300k |
| 06470 | Newtown | Fairfield County | 15,593 | 419 | $153k | $578k |
| 06471 | North Branford | New Haven County | 7,140 | 805 | $109k | $371k |
| 06472 | Northford | New Haven County | 6,363 | 396 | $106k | $405k |
| 06473 | North Haven | New Haven County | 24,743 | 1,143 | $133k | $391k |
| 06474 | North Westchester | New London County | PO Box or unique | – | – | – |
| 06475 | Old Saybrook | Middlesex County | 10,575 | 702 | $114k | $538k |
| 06477 | Orange | New Haven County | 14,315 | 833 | $142k | $492k |
| 06478 | Oxford | New Haven County | 12,991 | 397 | $129k | $472k |
| 06479 | Plantsville | Hartford County | 10,286 | 1,516 | $114k | $359k |
| 06480 | Portland | Middlesex County | 9,434 | 407 | $119k | $337k |
| 06481 | Rockfall | Middlesex County | 1,763 | 923 | $85k | $360k |
| 06482 | Sandy Hook | Fairfield County | 12,000 | 593 | $160k | $499k |
| 06483 | Seymour | New Haven County | 16,889 | 1,163 | $108k | $370k |
| 06484 | Shelton | Fairfield County | 41,889 | 1,368 | $108k | $453k |
| 06487 | South Britain | New Haven County | PO Box or unique | – | – | – |
| 06488 | Southbury | New Haven County | 20,071 | 514 | $113k | $412k |
| 06489 | Southington | Hartford County | 32,706 | 1,180 | $127k | $380k |
| 06491 | Stevenson | Fairfield County | PO Box or unique | – | – | – |
| 06492 | Wallingford | New Haven County | 44,498 | 1,119 | $105k | $354k |
| 06493 | Wallingford | New Haven County | PO Box or unique | – | – | – |
| 06494 | Wallingford | New Haven County | PO Box or unique | – | – | – |
| 06495 | Wallingford | New Haven County | PO Box or unique | – | – | – |
| 06498 | Westbrook | Middlesex County | 6,856 | 434 | $91k | $434k |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; GeoNames postal codes (CC BY 4.0) for codes without a residential area.