ZIP code 06355
Where is ZIP code 06355?
Mystic, Connecticut
New London County · Standard ZIP code
ZIP code 06355 belongs to Mystic, Connecticut in New London County. 06355 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Eastern Time zone and uses area codes 860 and 959. About 12,173 people live in the 06355 area, where the median household income is $137,425. The closest ZIP codes are 06388 (West Mystic, 1.2 mi south), 06372 (Old Mystic, 2.3 mi northeast) and 06378 (Stonington, 3.2 mi east).
| ZIP code | 06355 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Mystic |
| State | Connecticut (CT) |
| County | New London County |
| Time zone | Eastern Time · now |
| Area codes | 860, 959 |
| Coordinates | 41.3616, -71.9774 map |
| 3-digit prefix | 063 |
Population and income in 06355
| Population | 12,173 · higher than 61% of Connecticut ZIP codes |
|---|---|
| People per square mile | 858 · higher than 59% of Connecticut ZIP codes |
| Median age | 53.2 years · higher than 90% of Connecticut ZIP codes |
| Men / women | 50% / 50% |
| Median household income | $137,425 · higher than 80% of Connecticut ZIP codes |
| Income per person | $73,122 |
| Below the poverty line | 3.2% |
| Bachelor’s degree or higher | 57% of adults 25+ |
| Median home value | $453,400 · higher than 74% of Connecticut ZIP codes |
| Median rent | $1,915 a month |
| Housing units | 6,061 |
| Households | 5,364 (2.19 people on average) |
| Owners / renters | 81% / 19% |
| Land area | 14.2 sq mi (plus 2.57 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 06355. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 06355
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 06388 | West Mystic, CT | 1.2 mi S | PO Box only |
| 06372 | Old Mystic, CT | 2.3 mi NE | PO Box only |
| 06378 | Stonington, CT | 3.2 mi E | Standard |
| 06340 | Groton, CT | 4.2 mi W | Standard |
| 06339 | Ledyard, CT | 5.5 mi N | Standard |
| 06349 | Groton, CT | 6.4 mi NW | PO Box only |
| 06335 | Gales Ferry, CT | 6.6 mi NW | Standard |
| 06320 | New London, CT | 6.7 mi W | Standard |
| 06379 | Pawcatuck, CT | 6.8 mi E | Standard |
| 06390 | Fishers Island, NY | 7.1 mi S | PO Box only |
| 06375 | Quaker Hill, CT | 7.8 mi W | Standard |
| 06338 | Mashantucket, CT | 8 mi N | PO Box only |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 06355 or measure the distance to another ZIP code.
How to address mail to 06355
123 MAIN ST
MYSTIC CT 06355
Put the city, the two-letter state code and the ZIP code on the last line. Avoid Masons Island: USPS doesn’t recognize it as the city for this ZIP code. Adding the 4-digit ZIP+4 code (06355-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 06355?
- 06355 is a Mystic, Connecticut ZIP code.
- What county is 06355 in?
- ZIP code 06355 is in New London County, Connecticut.
- What time zone is ZIP code 06355 in?
- 06355 is in the Eastern Time zone (America/New_York).
- What area code is 06355?
- Phone numbers in ZIP code 06355 use area codes 860 and 959.
- What is the population of ZIP code 06355?
- About 12,173 people live in ZIP code 06355, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 06355?
- The median household income in 06355 is $137,425 a year, higher than 80% of Connecticut ZIP codes.
- What ZIP codes are near 06355?
- The nearest ZIP codes to 06355 are 06388 (West Mystic, 1.2 miles), 06372 (Old Mystic, 2.3 miles), 06378 (Stonington, 3.2 miles) and 06340 (Groton, 4.2 miles).