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County ZIP codes · Connecticut · FIPS 09015

Windham County, CT ZIP Codes

Windham County, Connecticut has 38 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 32 residential and 6 for PO boxes or a single organization. 29 of the residential ones lie mainly in Windham County and 3 mainly in a neighboring county; 5 cross the county line. Median household income ranges from $47,162 in 06226 (Willimantic) to $125,778 in 06281 (Woodstock) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Windham County?

06226 · Willimantic: $47k06234 · Brooklyn: $96k06235 · Chaplin: $98k06239 · Danielson: $74k06241 · Dayville: $88k06242 · Eastford: $89k06243 · East Killingly: $122k06247 · Hampton: $109k06250 · Mansfield Center: $99k06255 · North Grosvenordale: $89k06256 · North Windham: $80k06258 · Pomfret: –06259 · Pomfret Center: $109k06260 · Putnam: $71k06262 · Quinebaug: –06263 · Rogers: $88k06264 · Scotland: $100k06266 · South Windham: –06277 · Thompson: $110k06278 · Ashford: $122k06280 · Windham: $77k06281 · Woodstock: $126k06282 · Woodstock Valley: $92k06330 · Baltic: $99k06331 · Canterbury: $103k06332 · Central Village: $62k06354 · Moosup: $88k06373 · Oneco: –06374 · Plainfield: $72k06377 · Sterling: $97k06384 · Voluntown: $107k06387 · Wauregan: $109k0633106281062590624206277062340624706354063840624106278062390637406250063300626006280063770623506226062820625606226 · Willimantic: $47k06234 · Brooklyn: $96k06235 · Chaplin: $98k06239 · Danielson: $74k06241 · Dayville: $88k06242 · Eastford: $89k06243 · East Killingly: $122k06247 · Hampton: $109k06250 · Mansfield Center: $99k06255 · North Grosvenordale: $89k06256 · North Windham: $80k06258 · Pomfret: –06259 · Pomfret Center: $109k06260 · Putnam: $71k06262 · Quinebaug: –06263 · Rogers: $88k06264 · Scotland: $100k06266 · South Windham: –06277 · Thompson: $110k06278 · Ashford: $122k06280 · Windham: $77k06281 · Woodstock: $126k06282 · Woodstock Valley: $92k06330 · Baltic: $99k06331 · Canterbury: $103k06332 · Central Village: $62k06354 · Moosup: $88k06373 · Oneco: –06374 · Plainfield: $72k06377 · Sterling: $97k06384 · Voluntown: $107k06387 · Wauregan: $109k0633106281062590624206277062340624706354063840624106278062390637406250063300626006280063770623506226062820625606226 · Willimantic: $47k06234 · Brooklyn: $96k06235 · Chaplin: $98k06239 · Danielson: $74k06241 · Dayville: $88k06242 · Eastford: $89k06243 · East Killingly: $122k06247 · Hampton: $109k06250 · Mansfield Center: $99k06255 · North Grosvenordale: $89k06256 · North Windham: $80k06258 · Pomfret: –06259 · Pomfret Center: $109k06260 · Putnam: $71k06262 · Quinebaug: –06263 · Rogers: $88k06264 · Scotland: $100k06266 · South Windham: –06277 · Thompson: $110k06278 · Ashford: $122k06280 · Windham: $77k06281 · Woodstock: $126k06282 · Woodstock Valley: $92k06330 · Baltic: $99k06331 · Canterbury: $103k06332 · Central Village: $62k06354 · Moosup: $88k06373 · Oneco: –06374 · Plainfield: $72k06377 · Sterling: $97k06384 · Voluntown: $107k06387 · Wauregan: $109k06331062810625906242062770623406247063540638406241062390625006330062600628006256
The residential ZIP codes of Windham County (whole outlines, including the parts in neighboring counties), shaded by median household income in national fifths (ACS 2020-2024). <$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

How different are its ZIP codes?

The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $87,711 and $103,198.

They carry 32 postal town names.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).

All 32 residential ZIP codes in Windham County

29 ZIP codes lie mainly in Windham County; 3 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Windham County, largest first; "In this county" is the share of the ZIP's residents in the county
In this county
06226 Willimantic 19,344 2,699 $47k $190k 98%
06239 Danielson 11,185 483 $74k $278k 100%
06260 Putnam 9,266 462 $71k $270k 100%
06234 Brooklyn 8,517 278 $96k $315k 100%
06374 Plainfield 7,838 306 $72k $249k 100%
06281 Woodstock 7,237 134 $126k $429k 100%
06241 Dayville 6,585 245 $88k $298k 100%
06354 Moosup 6,031 274 $88k $299k 100%
06331 Canterbury 5,145 126 $103k $334k 100%
06259 Pomfret Center 4,568 107 $109k $402k 100%
06255 North Grosvenordale 4,494 195 $89k $312k 100%
06278 Ashford 4,337 110 $122k $336k 100%
06277 Thompson 4,004 175 $110k $295k 100%
06280 Windham 3,110 206 $77k $251k 100%
06377 Sterling 2,927 181 $97k $276k 100%
06247 Hampton 2,412 72 $109k $293k 100%
06235 Chaplin 2,018 105 $98k $256k 100%
06256 North Windham 1,704 226 $80k $188k 100%
06242 Eastford 1,290 52 $89k $353k 94%
06282 Woodstock Valley 1,134 165 $92k $353k 100%
06332 Central Village 1,015 817 $62k $235k 100%
06262 Quinebaug 813 704 – $218k 100%
06263 Rogers 498 3,234 $88k – 100%
06266 South Windham 222 240 – $233k 100%
06373 Oneco 219 118 – $271k 100%
06387 Wauregan 178 3,069 $109k $271k 100%
06264 Scotland 139 92 $100k $321k 100%
06258 Pomfret 114 2,591 – – 100%
06243 East Killingly 83 114 $122k – 100%

Partly in Windham County

Residential ZIP codes mainly in another county that reach at least 1% into Windham County, by their share here
In this county
06330 Baltic 3,327 194 $99k $279k 11%
06384 Voluntown 2,663 71 $107k $355k 3%
06250 Mansfield Center 5,437 325 $99k $325k 1%

Download the 38 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by residents (simplemaps county weights; Connecticut keeps its historical counties).

Which ZIP codes cross the county line?

5 ZIP codes of Windham County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's residents in Windham County and in the neighboring counties
ZIPIn WindhamElsewhere
0622698%Tolland County 2%
062501%Tolland County 99%
0633011%New London County 89%
063843%New London County 97%
0624294%Tolland County 6%

Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (Connecticut: simplemaps county weights by residents).

PO Box and single-organization ZIP codes

ZIP codes in Windham County without a residential area (GeoNames postal codes)
ZIPPostal name
06230Abington
06233Ballouville
06244East Woodstock
06245Fabyan
06246Grosvenor Dale
06267South Woodstock

Source: GeoNames postal codes (CC BY 4.0).

Which first three digits do Windham County's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Windham County's ZIP codes use 2 prefixes: 062 and 063.

Three-digit prefixes of Windham County's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Windham County's
PrefixSectional centerHereAll codes
062 Hartford, CT (SCF 060) 29 41
063 Hartford, CT (SCF 060) 9 40

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.