ZIP code 06456
Where is ZIP code 06456?
Middle Haddam, Connecticut
Middlesex County · PO Box only ZIP code
ZIP code 06456 belongs to Middle Haddam, Connecticut in Middlesex County. 06456 is a PO Box only ZIP code: it is used for post office boxes at the Middle Haddam post office, not for street addresses. It is in the Eastern Time zone and uses area codes 860 and 959. About 281 people live in the 06456 area, where the median household income is $128,542. The closest ZIP codes are 06414 (Cobalt, 1 mi northwest), 06424 (East Hampton, 2.6 mi northeast) and 06480 (Portland, 3.9 mi northwest).
| ZIP code | 06456 |
|---|---|
| Type | PO Box only (no street delivery) |
| Status | Active |
| City | Middle Haddam |
| State | Connecticut (CT) |
| County | Middlesex County |
| Time zone | Eastern Time · now |
| Area codes | 860, 959 |
| Coordinates | 41.554, -72.5501 map |
| 3-digit prefix | 064 |
Population and income in 06456
| Population | 281 · lower than 94% of Connecticut ZIP codes |
|---|---|
| People per square mile | 212 · lower than 75% of Connecticut ZIP codes |
| Median age | 65 years · higher than 99% of Connecticut ZIP codes |
| Men / women | 48% / 52% |
| Median household income | $128,542 · higher than 73% of Connecticut ZIP codes |
| Income per person | $107,714 |
| Below the poverty line | 9.6% |
| Bachelor’s degree or higher | 59% of adults 25+ |
| Median home value | $434,000 · higher than 70% of Connecticut ZIP codes |
| Housing units | 173 |
| Households | 166 (1.69 people on average) |
| Owners / renters | 88% / 12% |
| Land area | 1.33 sq mi (plus 0.4 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 06456. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 06456
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 06414 | Cobalt, CT | 1 mi NW | PO Box only |
| 06424 | East Hampton, CT | 2.6 mi NE | Standard |
| 06480 | Portland, CT | 3.9 mi NW | Standard |
| 06459 | Middletown, CT | 5.6 mi W | Unique |
| 06457 | Middletown, CT | 6 mi W | Standard |
| 06441 | Higganum, CT | 6.1 mi S | Standard |
| 06469 | Moodus, CT | 6.4 mi SE | Standard |
| 06438 | Haddam, CT | 6.7 mi S | Standard |
| 06416 | Cromwell, CT | 7.2 mi NW | Standard |
| 06073 | South Glastonbury, CT | 7.2 mi N | Standard |
| 06447 | Marlborough, CT | 7.6 mi NE | Standard |
| 06481 | Rockfall, CT | 7.9 mi W | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 06456 or measure the distance to another ZIP code.
How to address mail to 06456
PO BOX 123
MIDDLE HADDAM CT 06456
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (06456-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 06456?
- 06456 is a Middle Haddam, Connecticut ZIP code.
- What county is 06456 in?
- ZIP code 06456 is in Middlesex County, Connecticut.
- What time zone is ZIP code 06456 in?
- 06456 is in the Eastern Time zone (America/New_York).
- What area code is 06456?
- Phone numbers in ZIP code 06456 use area codes 860 and 959.
- What is the population of ZIP code 06456?
- About 281 people live in ZIP code 06456, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 06456?
- The median household income in 06456 is $128,542 a year, higher than 73% of Connecticut ZIP codes.
- Can I use 06456 for a street address?
- No. 06456 is only for PO Boxes. Street addresses in Middle Haddam use another ZIP code.
- What ZIP codes are near 06456?
- The nearest ZIP codes to 06456 are 06414 (Cobalt, 1 miles), 06424 (East Hampton, 2.6 miles), 06480 (Portland, 3.9 miles) and 06459 (Middletown, 5.6 miles).