Old Greenwich, CT ZIP Code
06870
This list contains only 5-digit ZIP codes. Use our zip code lookup by address feature to get the full 9-digit (ZIP+4) code.
Street | ZIP Code | ZIP+4 Code |
---|---|---|
ANN ST | 06870 | → |
ARBOR LN | 06870 | → |
ARCADIA RD | 06870 | → |
ARNOLD ST | 06870 | → |
BALLWOOD RD | 06870 | → |
BEN CT | 06870 | → |
BENJAMIN ST | 06870 | → |
BENNETT ST | 06870 | → |
BINNEY LN | 06870 | → |
BOULDER AVE | 06870 | → |
BROOKSIDE PARK | 06870 | → |
BROWNHOUSE RD | 06870 | → |
BRYON RD | 06870 | → |
CENTER DR | 06870 | → |
CENTER RD | 06870 | → |
CHASMAR RD | 06870 | → |
CHERRY LN | 06870 | → |
CLARK ST | 06870 | → |
COVE RD | 06870 | → |
COVE RIDGE LN | 06870 | → |
COVE VIEW DR | 06870 | → |
CROSS RIDGE DR | 06870 | → |
N CROSSWAY | 06870 | → |
S CROSSWAY | 06870 | → |
W CROSSWAY | 06870 | → |
DEEPWOODS LN | 06870 | → |
EDGEWATER DR | 06870 | → |
EDWARD PL | 06870 | → |
EGGLESTON LN | 06870 | → |
S END CT | 06870 | → |
W END AVE | 06870 | → |
W END CT | 06870 | → |
ESTER PL | 06870 | → |
FAIRFIELD AVE | 06870 | → |
FAIRGREEN LN | 06870 | → |
FERRIS DR | 06870 | → |
E FERRIS DR | 06870 | → |
FORD LN | 06870 | → |
FOREST AVE | 06870 | → |
GISBORNE PL | 06870 | → |
GRACE ST | 06870 | → |
GRANT AVE | 06870 | → |
GREENWICH COVE DR | 06870 | → |
GRIMES RD | 06870 | → |
HALSEY DR | 06870 | → |
HARDING RD | 06870 | → |
HASSAKE RD | 06870 | → |
HAVEMEYER LN | 06870 | → |
HENDRIE DR | 06870 | → |
HENDRIE DRIVE EXT | 06870 | → |
HEUSTED DR | 06870 | → |
HIGHMEADOW RD | 06870 | → |
HIGHVIEW AVE | 06870 | → |
HILLCREST LN | 06870 | → |
HILLCREST PARK RD | 06870 | → |
HOLMAN LN | 06870 | → |
HUNTER ST | 06870 | → |
INDIAN DR | 06870 | → |
INNIS LN | 06870 | → |
IRON HORSE LN | 06870 | → |
IRVINE RD | 06870 | → |
KENSINGTON CT | 06870 | → |
KEOFFERAM RD | 06870 | → |
KERNAN PL | 06870 | → |
LADDINS ROCK RD | 06870 | → |
LEDGE RD | 06870 | → |
LEJEUNE CT | 06870 | → |
LIGHTHOUSE LN | 06870 | → |
LINCOLN AVE | 06870 | → |
LISSO PL | 06870 | → |
LITTLE COVE LN | 06870 | → |
LOCKWOOD AVE | 06870 | → |
LOCKWOOD DR | 06870 | → |
MACARTHUR DR | 06870 | → |
MANOR RD | 06870 | → |
MAPLE DR | 06870 | → |
MARALEWO RD | 06870 | → |
MARSHALL ST | 06870 | → |
MEADOW PL | 06870 | → |
MEADOWBANK RD | 06870 | → |
MEADOW MARSH LN | 06870 | → |
MIDBROOK LN | 06870 | → |
MIDDLE WAY | 06870 | → |
MINERVA PL | 06870 | → |
MORTIMER DR | 06870 | → |
NAWTHORNE RD | 06870 | → |
NIMITZ PL | 06870 | → |
NORTH ST | 06870 | → |
NORTHWAY | 06870 | → |
NORTON LN | 06870 | → |
OAK LN | 06870 | → |
OLD CLUB HOUSE RD | 06870 | → |
OLD FARM LN | 06870 | → |
OLD KINGS HWY | 06870 | → |
OLD WAGON RD | 06870 | → |
PALMER IS | 06870 | → |
PALMER HILL RD | 06870 | → |
PARK AVE | 06870 | → |
S PARK AVE | 06870 | → |
PLEASANT VIEW PL | 06870 | → |
E POINT LN | 06870 | → |
POTTER DR | 06870 | → |
E PUTNAM AVE | 06870 | → |
QUINTARD AVE | 06870 | → |
RANDOM RD | 06870 | → |
RAYMOND ST | 06870 | → |
RICHMOND DR | 06870 | → |
RICKI-BETH LN | 06870 | → |
N RIDGE RD | 06870 | → |
ROBIN PL | 06870 | → |
ROCKLAND PL | 06870 | → |
ROCKMERE AVE | 06870 | → |
ROCKY POINT RD | 06870 | → |
ROOSEVELT AVE | 06870 | → |
SAINT CLAIRE AVE | 06870 | → |
SHADY BROOK LN | 06870 | → |
SHORE RD | 06870 | → |
SHORE ACRE DR | 06870 | → |
SHOREHAM CLUB RD | 06870 | → |
SHORELANDS CT | 06870 | → |
SHORELANDS PL | 06870 | → |
SOUND BEACH AVE | 06870 | → |
STUART DR | 06870 | → |
SUMMIT RIDGE RD | 06870 | → |
SUNSET RD | 06870 | → |
SYLVAN LN | 06870 | → |
TAIT RD | 06870 | → |
TODS DRIFTWAY | 06870 | → |
TOMAC AVE | 06870 | → |
TOMAC CT | 06870 | → |
TOMAC LN | 06870 | → |
TOWER LN | 06870 | → |
VISTA AVE | 06870 | → |
WAHNETA RD | 06870 | → |
WATCHTOWER LN | 06870 | → |
WEBB AVE | 06870 | → |
WENDLE PL | 06870 | → |
WESSKUM WOOD RD | 06870 | → |
WEST WAY | 06870 | → |
WILLOW LN | 06870 | → |
Demographic and housing estimates in Old Greenwich, CT
Total population | 6,819 |
Male | 3,331 |
Female | 3,488 |
Total population | 6,819 |
Under 5 years | 382 |
5 to 9 years | 796 |
10 to 14 years | 770 |
15 to 19 years | 369 |
20 to 24 years | 219 |
25 to 34 years | 375 |
35 to 44 years | 1,021 |
45 to 54 years | 1,242 |
55 to 59 years | 427 |
60 to 64 years | 351 |
65 to 74 years | 559 |
75 to 84 years | 210 |
85 years and over | 98 |
Median age (years) | 41.1 |
Under 18 years | 2,220 |
Under 16 years | 4,759 |
18 years and over | 4,599 |
21 years and over | 4,469 |
62 years and over | 1,065 |
65 years and over | 867 |
Total population | 6,819 |
One race | 6,519 |
White | 5,884 |
Black or African American | 34 |
American Indian and Alaska Native | 0 |
Asian | 505 |
Native Hawaiian and Other Pacific Islander | 0 |
Some other race | 96 |
Two or more races | 300 |
Citizen, VOTING AGE 18 and over population | 3,784 |
Male Citizen, VOTING AGE 18 and over population | 1,745 |
Female Citizen, VOTING AGE 18 and over population | 2,039 |
Social characteristics in Old Greenwich, CT
Total households | 2,186 |
Family households (families) | 1,882 |
Married-couple family | 1,691 |
Male householder, no wife present, family | 49 |
Female householder, no husband present, family | 142 |
Nonfamily households | 304 |
Average household size | 3.11 |
Average family size | 3.39 |
Economic characteristics in Old Greenwich, CT
Total households | 2,186 |
Less than $10,000 | 61 |
$10,000 to $14,999 | 38 |
$15,000 to $24,999 | 37 |
$25,000 to $34,999 | 33 |
$35,000 to $49,999 | 87 |
$50,000 to $74,999 | 79 |
$75,000 to $99,999 | 115 |
$100,000 to $149,999 | 243 |
$150,000 to $199,999 | 168 |
$200,000 or more | 1,325 |
Median household income (dollars) | 233,519 |
Housing characteristics in Old Greenwich, CT
Total housing units | 2,320 |
Occupied housing units | 2,186 |
Vacant housing units | 134 |
Total housing units | 2,320 |
1-unit, detached | 2,000 |
1-unit, attached | 52 |
2 units | 56 |
3 or 4 units | 14 |
5 to 9 units | 15 |
10 to 19 units | 17 |
20 or more units | 166 |
Mobile home | 0 |
Boat, RV, van, etc. | 0 |
Total housing units | 2,320 |
Built 2014 or later | 63 |
Built 2010 to 2013 | 62 |
Built 2000 to 2009 | 162 |
Built 1990 to 1999 | 186 |
Built 1980 to 1989 | 174 |
Built 1970 to 1979 | 236 |
Built 1960 to 1969 | 248 |
Built 1950 to 1959 | 357 |
Built 1940 to 1949 | 267 |
Built 1939 or earlier | 565 |
Total housing units | 2,320 |
1 room | 24 |
2 rooms | 7 |
3 rooms | 86 |
4 rooms | 91 |
5 rooms | 135 |
6 rooms | 306 |
7 rooms | 264 |
8 rooms | 399 |
9 rooms or more | 1,008 |
Median rooms | 8.1 |
Total housing units | 2,320 |
No bedroom | 31 |
1 bedroom | 125 |
2 bedrooms | 141 |
3 bedrooms | 640 |
4 bedrooms | 904 |
5 or more bedrooms | 479 |
Occupied housing units | 2,186 |
Owner-occupied | 1,819 |
Renter-occupied | 367 |
Average household size of owner-occupied unit | 3.06 |
Average household size of renter-occupied unit | 3.40 |
Occupied housing units | 2,186 |
Moved in 2017 or later | 114 |
Moved in 2015 to 2016 | 205 |
Moved in 2010 to 2014 | 570 |
Moved in 2000 to 2009 | 526 |
Moved in 1990 to 1999 | 401 |
Moved in 1989 and earlier | 370 |
Owner-occupied units | 1,819 |
Less than $50,000 | 20 |
$50,000 to $99,999 | 0 |
$100,000 to $149,999 | 22 |
$150,000 to $199,999 | 0 |
$200,000 to $299,999 | 14 |
$300,000 to $499,999 | 66 |
$500,000 to $999,999 | 418 |
$1,000,000 or more | 1,279 |
Median (dollars) | 1,493,900 |
Owner-occupied units | 1,819 |
Housing units with a mortgage | 1,290 |
Housing units without a mortgage | 529 |
Occupied units paying rent | 348 |
Less than $500 | 0 |
$500 to $999 | 20 |
$1,000 to $1,499 | 58 |
$1,500 to $1,999 | 16 |
$2,000 to $2,499 | 82 |
$2,500 to $2,999 | 58 |
$3,000 or more | 114 |
Median (dollars) | 2,488 |
No rent paid | 19 |
Data is based on 2018 Census
Old Greenwich Envelope Example
On the bottom center of the envelope, write the address you want your letter delivered to. Include the following on separate lines:
- Recipient's full name
- Full street address
- City, State, and ZIP Code
Using the same format, write the return address in the top left corner.
Using the full ZIP+4 Code when mailing via the USPS ensures the fastest, most accurate mailing possible. If you are not sure of the full 9-digit ZIP Code, use the 5-digit ZIP Code to avoid loss of letter or package.

The recipient address information is provided for your reference.
Address example
34 ARBOR LN
OLD GREENWICH CT 06870-1838
OLD GREENWICH CT 06870-1838
10 BOULDER AVE
OLD GREENWICH CT 06870-1420
OLD GREENWICH CT 06870-1420
20 NORTHWAY
OLD GREENWICH CT 06870-2430
OLD GREENWICH CT 06870-2430
9 OLD FARM LN
OLD GREENWICH CT 06870-1021
OLD GREENWICH CT 06870-1021
34 ROOSEVELT AVE
OLD GREENWICH CT 06870-1811
OLD GREENWICH CT 06870-1811
91 W CROSSWAY
OLD GREENWICH CT 06870-2431
OLD GREENWICH CT 06870-2431