ZIP codes in Connecticut
429 ZIP codes. Population from the Census ACS 2020–2024 5-year estimates (PO-box-only ZIPs have none).
| ZIP | City | Population |
|---|---|---|
| 06001 | Avon | 19,153 |
| 06002 | Bloomfield | 21,865 |
| 06006 | Windsor | — |
| 06010 | Bristol | 61,684 |
| 06011 | Bristol | — |
| 06013 | Burlington | 9,680 |
| 06016 | Broad Brook | 6,959 |
| 06018 | Canaan | 2,587 |
| 06019 | Canton | 9,742 |
| 06020 | Canton Center | 0 |
| 06021 | Colebrook | 1,494 |
| 06022 | Collinsville | 100 |
| 06023 | East Berlin | 1,196 |
| 06024 | East Canaan | 634 |
| 06025 | East Glastonbury | — |
| 06026 | East Granby | 5,196 |
| 06027 | East Hartland | 1,193 |
| 06028 | East Windsor Hill | — |
| 06029 | Ellington | 16,238 |
| 06030 | Farmington | — |
| 06031 | Falls Village | 1,520 |
| 06032 | Farmington | 19,135 |
| 06033 | Glastonbury | 29,921 |
| 06034 | Farmington | — |
| 06035 | Granby | 7,817 |
| 06037 | Berlin | 19,173 |
| 06039 | Lakeville | 1,918 |
| 06040 | Manchester | 35,813 |
| 06041 | Manchester | — |
| 06042 | Manchester | 23,822 |
| 06043 | Bolton | 4,853 |
| 06045 | Manchester | — |
| 06050 | New Britain | — |
| 06051 | New Britain | 29,548 |
| 06052 | New Britain | 7,916 |
| 06053 | New Britain | 36,774 |
| 06057 | New Hartford | 6,363 |
| 06058 | Norfolk | 1,793 |
| 06059 | North Canton | 302 |
| 06060 | North Granby | 2,273 |
| 06061 | Pine Meadow | 312 |
| 06062 | Plainville | 17,555 |
| 06063 | Barkhamsted | 3,328 |
| 06064 | Poquonock | — |
| 06065 | Riverton | 712 |
| 06066 | Vernon Rockville | 30,577 |
| 06067 | Rocky Hill | 20,872 |
| 06068 | Salisbury | 2,034 |
| 06069 | Sharon | 2,601 |
| 06070 | Simsbury | 15,254 |
| 06071 | Somers | 10,723 |
| 06072 | Somersville | 0 |
| 06073 | South Glastonbury | 5,372 |
| 06074 | South Windsor | 26,907 |
| 06075 | Stafford | — |
| 06076 | Stafford Springs | 11,953 |
| 06077 | Staffordville | — |
| 06078 | Suffield | 10,562 |
| 06079 | Taconic | 19 |
| 06080 | Suffield | 1,616 |
| 06081 | Tariffville | 1,419 |
| 06082 | Enfield | 41,090 |
| 06083 | Enfield | — |
| 06084 | Tolland | 14,823 |
| 06085 | Unionville | 7,608 |
| 06087 | Unionville | — |
| 06088 | East Windsor | 4,254 |
| 06089 | Weatogue | 3,728 |
| 06090 | West Granby | 1,136 |
| 06091 | West Hartland | 253 |
| 06092 | West Simsbury | 4,665 |
| 06093 | West Suffield | 3,524 |
| 06094 | Winchester Center | — |
| 06095 | Windsor | 29,670 |
| 06096 | Windsor Locks | 12,579 |
| 06098 | Winsted | 10,263 |
| 06101 | Hartford | — |
| 06102 | Hartford | — |
| 06103 | Hartford | 2,949 |
| 06104 | Hartford | — |
| 06105 | Hartford | 19,174 |
| 06106 | Hartford | 36,322 |
| 06107 | West Hartford | 19,891 |
| 06108 | East Hartford | 23,499 |
| 06109 | Wethersfield | 27,250 |
| 06110 | West Hartford | 12,641 |
| 06111 | Newington | 30,896 |
| 06112 | Hartford | 22,333 |
| 06114 | Hartford | 26,458 |
| 06115 | Hartford | — |
| 06117 | West Hartford | 16,116 |
| 06118 | East Hartford | 27,419 |
| 06119 | West Hartford | 14,793 |
| 06120 | Hartford | 13,926 |
| 06123 | Hartford | — |
| 06126 | Hartford | — |
| 06127 | West Hartford | — |
| 06128 | East Hartford | — |
| 06129 | Wethersfield | — |
| 06131 | Newington | — |
| 06132 | Hartford | — |
| 06133 | West Hartford | — |
| 06134 | Hartford | — |
| 06137 | West Hartford | — |
| 06138 | East Hartford | — |
| 06140 | Hartford | — |
| 06141 | Hartford | — |
| 06142 | Hartford | — |
| 06143 | Hartford | — |
| 06144 | Hartford | — |
| 06145 | Hartford | — |
| 06146 | Hartford | — |
| 06147 | Hartford | — |
| 06150 | Hartford | — |
| 06151 | Hartford | — |
| 06152 | Hartford | — |
| 06153 | Hartford | — |
| 06154 | Hartford | — |
| 06155 | Hartford | — |
| 06156 | Hartford | — |
| 06160 | Hartford | — |
| 06161 | Hartford | — |
| 06167 | Hartford | — |
| 06176 | Hartford | — |
| 06180 | Hartford | — |
| 06183 | Hartford | — |
| 06199 | Hartford | — |
| 06226 | Willimantic | 19,344 |
| 06230 | Abington | — |
| 06231 | Amston | 3,648 |
| 06232 | Andover | 3,152 |
| 06233 | Ballouville | — |
| 06234 | Brooklyn | 8,517 |
| 06235 | Chaplin | 2,018 |
| 06237 | Columbia | 5,300 |
| 06238 | Coventry | 12,326 |
| 06239 | Danielson | 11,185 |
| 06241 | Dayville | 6,585 |
| 06242 | Eastford | 1,290 |
| 06243 | East Killingly | 83 |
| 06244 | East Woodstock | — |
| 06245 | Fabyan | — |
| 06246 | Grosvenor Dale | — |
| 06247 | Hampton | 2,412 |
| 06248 | Hebron | 5,509 |
| 06249 | Lebanon | 7,116 |
| 06250 | Mansfield Center | 5,437 |
| 06251 | Mansfield Depot | — |
| 06254 | North Franklin | 2,004 |
| 06255 | North Grosvenordale | 4,494 |
| 06256 | North Windham | 1,704 |
| 06258 | Pomfret | 114 |
| 06259 | Pomfret Center | 4,568 |
| 06260 | Putnam | 9,266 |
| 06262 | Quinebaug | 813 |
| 06263 | Rogers | 498 |
| 06264 | Scotland | 139 |
| 06265 | South Willington | — |
| 06266 | South Windham | 222 |
| 06267 | South Woodstock | — |
| 06268 | Storrs Mansfield | 11,772 |
| 06269 | Storrs Mansfield | 7,970 |
| 06277 | Thompson | 4,004 |
| 06278 | Ashford | 4,337 |
| 06279 | Willington | 5,575 |
| 06280 | Windham | 3,110 |
| 06281 | Woodstock | 7,237 |
| 06282 | Woodstock Valley | 1,134 |
| 06320 | New London | 27,703 |
| 06330 | Baltic | 3,327 |
| 06331 | Canterbury | 5,145 |
| 06332 | Central Village | 1,015 |
| 06333 | East Lyme | 7,389 |
| 06334 | Bozrah | 2,249 |
| 06335 | Gales Ferry | 6,307 |
| 06336 | Gilman | 44 |
| 06338 | Mashantucket | 27 |
| 06339 | Ledyard | 9,113 |
| 06340 | Groton | 29,863 |
| 06349 | Groton | — |
| 06350 | Hanover | 121 |
| 06351 | Jewett City | 15,760 |
| 06353 | Montville | 439 |
| 06354 | Moosup | 6,031 |
| 06355 | Mystic | 12,173 |
| 06357 | Niantic | 11,332 |
| 06359 | North Stonington | 5,160 |
| 06360 | Norwich | 37,216 |
| 06365 | Preston | 4,807 |
| 06370 | Oakdale | 7,327 |
| 06371 | Old Lyme | 9,828 |
| 06372 | Old Mystic | — |
| 06373 | Oneco | 219 |
| 06374 | Plainfield | 7,838 |
| 06375 | Quaker Hill | 3,670 |
| 06376 | South Lyme | 89 |
| 06377 | Sterling | 2,927 |
| 06378 | Stonington | 5,555 |
| 06379 | Pawcatuck | 9,017 |
| 06380 | Taftville | 2,757 |
| 06382 | Uncasville | 10,143 |
| 06383 | Versailles | — |
| 06384 | Voluntown | 2,663 |
| 06385 | Waterford | 15,966 |
| 06387 | Wauregan | 178 |
| 06388 | West Mystic | — |
| 06389 | Yantic | 0 |
| 06401 | Ansonia | 19,315 |
| 06403 | Beacon Falls | 6,147 |
| 06404 | Botsford | — |
| 06405 | Branford | 28,217 |
| 06408 | Cheshire | — |
| 06409 | Centerbrook | 701 |
| 06410 | Cheshire | 28,904 |
| 06411 | Cheshire | — |
| 06412 | Chester | 3,825 |
| 06413 | Clinton | 13,377 |
| 06414 | Cobalt | 302 |
| 06415 | Colchester | 16,038 |
| 06416 | Cromwell | 14,334 |
| 06417 | Deep River | 4,458 |
| 06418 | Derby | 12,205 |
| 06419 | Killingworth | 6,240 |
| 06420 | Salem | 4,368 |
| 06422 | Durham | 7,208 |
| 06423 | East Haddam | 5,182 |
| 06424 | East Hampton | 12,751 |
| 06426 | Essex | 3,267 |
| 06437 | Guilford | 22,067 |
| 06438 | Haddam | 2,887 |
| 06439 | Hadlyme | 65 |
| 06440 | Hawleyville | — |
| 06441 | Higganum | 5,348 |
| 06442 | Ivoryton | 2,826 |
| 06443 | Madison | 17,657 |
| 06444 | Marion | 180 |
| 06447 | Marlborough | 6,130 |
| 06450 | Meriden | 35,694 |
| 06451 | Meriden | 24,851 |
| 06455 | Middlefield | 2,480 |
| 06456 | Middle Haddam | 281 |
| 06457 | Middletown | 46,720 |
| 06459 | Middletown | 1,238 |
| 06460 | Milford | 37,649 |
| 06461 | Milford | 15,035 |
| 06467 | Milldale | 405 |
| 06468 | Monroe | 18,949 |
| 06469 | Moodus | 3,311 |
| 06470 | Newtown | 15,593 |
| 06471 | North Branford | 7,140 |
| 06472 | Northford | 6,363 |
| 06473 | North Haven | 24,743 |
| 06474 | North Westchester | — |
| 06475 | Old Saybrook | 10,575 |
| 06477 | Orange | 14,315 |
| 06478 | Oxford | 12,991 |
| 06479 | Plantsville | 10,286 |
| 06480 | Portland | 9,434 |
| 06481 | Rockfall | 1,763 |
| 06482 | Sandy Hook | 12,000 |
| 06483 | Seymour | 16,889 |
| 06484 | Shelton | 41,889 |
| 06487 | South Britain | — |
| 06488 | Southbury | 20,071 |
| 06489 | Southington | 32,706 |
| 06491 | Stevenson | — |
| 06492 | Wallingford | 44,498 |
| 06493 | Wallingford | — |
| 06494 | Wallingford | — |
| 06495 | Wallingford | — |
| 06498 | Westbrook | 6,856 |
| 06501 | New Haven | — |
| 06502 | New Haven | — |
| 06503 | New Haven | — |
| 06504 | New Haven | — |
| 06505 | New Haven | — |
| 06506 | New Haven | — |
| 06507 | New Haven | — |
| 06508 | New Haven | — |
| 06509 | New Haven | — |
| 06510 | New Haven | 4,584 |
| 06511 | New Haven | 54,730 |
| 06512 | New Haven | 28,830 |
| 06513 | New Haven | 38,888 |
| 06514 | Hamden | 26,803 |
| 06515 | New Haven | 19,006 |
| 06516 | West Haven | 55,351 |
| 06517 | Hamden | 14,221 |
| 06518 | Hamden | 20,126 |
| 06519 | New Haven | 15,605 |
| 06520 | New Haven | — |
| 06521 | New Haven | — |
| 06524 | Bethany | 5,288 |
| 06525 | New Haven | 9,073 |
| 06530 | New Haven | — |
| 06531 | New Haven | — |
| 06532 | New Haven | — |
| 06533 | New Haven | — |
| 06534 | New Haven | — |
| 06535 | New Haven | — |
| 06536 | New Haven | — |
| 06537 | New Haven | — |
| 06538 | New Haven | — |
| 06540 | New Haven | — |
| 06601 | Bridgeport | — |
| 06602 | Bridgeport | — |
| 06604 | Bridgeport | 31,771 |
| 06605 | Bridgeport | 25,929 |
| 06606 | Bridgeport | 49,308 |
| 06607 | Bridgeport | 7,979 |
| 06608 | Bridgeport | 12,146 |
| 06610 | Bridgeport | 22,020 |
| 06611 | Trumbull | 37,281 |
| 06612 | Easton | 7,670 |
| 06614 | Stratford | 35,654 |
| 06615 | Stratford | 17,136 |
| 06673 | Bridgeport | — |
| 06699 | Bridgeport | — |
| 06701 | Waterbury | — |
| 06702 | Waterbury | 2,946 |
| 06703 | Waterbury | — |
| 06704 | Waterbury | 31,713 |
| 06705 | Waterbury | 25,266 |
| 06706 | Waterbury | 15,551 |
| 06708 | Waterbury | 29,594 |
| 06710 | Waterbury | 9,942 |
| 06712 | Prospect | 9,458 |
| 06716 | Wolcott | 16,113 |
| 06720 | Waterbury | — |
| 06721 | Waterbury | — |
| 06722 | Waterbury | — |
| 06723 | Waterbury | — |
| 06724 | Waterbury | — |
| 06725 | Waterbury | — |
| 06726 | Waterbury | — |
| 06749 | Waterbury | — |
| 06750 | Bantam | 1,387 |
| 06751 | Bethlehem | 3,423 |
| 06752 | Bridgewater | 1,658 |
| 06753 | Cornwall | 91 |
| 06754 | Cornwall Bridge | 1,656 |
| 06755 | Gaylordsville | 1,238 |
| 06756 | Goshen | 3,037 |
| 06757 | Kent | 2,125 |
| 06758 | Lakeside | 13 |
| 06759 | Litchfield | 5,442 |
| 06762 | Middlebury | 7,807 |
| 06763 | Morris | 2,151 |
| 06770 | Naugatuck | 31,823 |
| 06776 | New Milford | 27,010 |
| 06777 | New Preston Marble Dale | 1,771 |
| 06778 | Northfield | 1,574 |
| 06779 | Oakville | 8,364 |
| 06781 | Pequabuck | — |
| 06782 | Plymouth | 1,978 |
| 06783 | Roxbury | 2,185 |
| 06784 | Sherman | 3,583 |
| 06785 | South Kent | 818 |
| 06786 | Terryville | 9,768 |
| 06787 | Thomaston | 7,509 |
| 06790 | Torrington | 35,566 |
| 06791 | Harwinton | 5,602 |
| 06792 | Torrington | — |
| 06793 | Washington | 1,031 |
| 06794 | Washington Depot | 1,282 |
| 06795 | Watertown | 13,889 |
| 06796 | West Cornwall | 821 |
| 06798 | Woodbury | 9,833 |
| 06801 | Bethel | 20,796 |
| 06804 | Brookfield | 17,908 |
| 06807 | Cos Cob | 7,650 |
| 06810 | Danbury | 55,833 |
| 06811 | Danbury | 31,228 |
| 06812 | New Fairfield | 13,584 |
| 06813 | Danbury | — |
| 06814 | Danbury | — |
| 06816 | Danbury | — |
| 06817 | Danbury | — |
| 06820 | Darien | 21,936 |
| 06824 | Fairfield | 36,716 |
| 06825 | Fairfield | 21,982 |
| 06828 | Fairfield | — |
| 06829 | Georgetown | — |
| 06830 | Greenwich | 24,880 |
| 06831 | Greenwich | 15,210 |
| 06836 | Greenwich | — |
| 06838 | Greens Farms | — |
| 06840 | New Canaan | 20,870 |
| 06850 | Norwalk | 19,692 |
| 06851 | Norwalk | 27,865 |
| 06852 | Norwalk | — |
| 06853 | Norwalk | 3,171 |
| 06854 | Norwalk | 32,118 |
| 06855 | Norwalk | 9,351 |
| 06856 | Norwalk | — |
| 06857 | Norwalk | — |
| 06858 | Norwalk | — |
| 06860 | Norwalk | — |
| 06870 | Old Greenwich | 7,864 |
| 06875 | Redding Center | — |
| 06876 | Redding Ridge | — |
| 06877 | Ridgefield | 25,110 |
| 06878 | Riverside | 8,328 |
| 06879 | Ridgefield | — |
| 06880 | Westport | 27,583 |
| 06881 | Westport | — |
| 06883 | Weston | 10,396 |
| 06888 | Westport | — |
| 06889 | Westport | — |
| 06890 | Southport | 4,653 |
| 06896 | Redding | 8,779 |
| 06897 | Wilton | 18,777 |
| 06901 | Stamford | 11,037 |
| 06902 | Stamford | 73,392 |
| 06903 | Stamford | 14,010 |
| 06904 | Stamford | — |
| 06905 | Stamford | 20,725 |
| 06906 | Stamford | 9,199 |
| 06907 | Stamford | 8,705 |
| 06910 | Stamford | — |
| 06911 | Stamford | — |
| 06912 | Stamford | — |
| 06913 | Stamford | — |
| 06914 | Stamford | — |
| 06920 | Stamford | — |
| 06921 | Stamford | — |
| 06922 | Stamford | — |
| 06926 | Stamford | — |
| 06927 | Stamford | — |
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