Area Code 959
Connecticut
Area code 959 serves Connecticut, primarily Hartford, in the Eastern Time (ET) time zone. It is an overlay area code sharing territory with area code 860.
Overlay Area Code
This area code is part of an overlay region, meaning the same geographic area is served by multiple area codes. Overlay codes were introduced to meet growing demand for phone numbers without requiring existing customers to change their numbers.
This area code shares its geographic region with: area code 860 (Hartford).
In service since: 30-Aug-2014
Demographics & Economics
- Total Population
- 1,828,466
- Population Density
- 462 people/sq miabove U.S. average (U.S.: 93 people/sq mi)
- Median Household Income
- $91,541above U.S. median (U.S.: $75,144)
- Poverty Rate
- 9.7%below U.S. average (U.S.: 11.5%)
- Unemployment Rate
- 2.9%below U.S. average (U.S.: 3.6%)
- Education Attainment
- Bachelor's Degree+21.9%below U.S. average (U.S.: 33.7%)High School or Lower0.0%
Statistics are population-weighted aggregations from Census ACS 5-year estimates. Population figures are approximate — see Sources & Methodology for details on how area code populations are derived.
See how this area code compares to all US area codes in the Statistics dashboard.
Time Zone
- Eastern Time (ET)
NANPA Relief Status
According to the latest NANPA analysis (July 2026), this area code is not currently listed as exhausting within the next 36 months. No relief planning is in progress for this NPA.
Source: NANPA NPA Relief Planning Reports · See all relief planning statuses
Current Time
Prefix Utilization
Geographic Coverage
State
CT
Major Cities
- Hartford
- New Britain
- West Hartford
- Bristol
- East Hartford
- Middletown
- Norwich
- Manchester
- Torrington
- Newington
- New London
- Wethersfield
- Willimantic
- Storrs
- Windsor Locks
- Kensington
- Groton
- Oakville
- Conning Towers-Nautilus Park
- Southwood Acres
- Glastonbury Center
- New Milford
- Thompsonville
- Putnam
and 95 more cities
History
Area code 959 serves as an overlay for the same territory as area code 860. It was introduced in 2014 to provide additional phone number capacity for the region. It shares its territory with area code area code 860.
Demographics
The estimated population served by area code 959 is approximately 1,828,466. The population density is 462 people per square mile, which is higher than the national average of 93. The median household income is $91,541, which is higher than the national median of $75,144. Approximately 21.9% of adults hold a bachelor's degree or higher, compared to the national rate of 33.7%. This rate is lower than the national average. The poverty rate stands at 9.7%, which is lower than the national rate of 11.5%.
County Coverage
Population-weighted county share based on aggregated ZCTA population (100% = total mapped population for area code 959).
| County | Population | Share |
|---|---|---|
| Hartford, CT | 896,078 | 49.0% |
| New London, CT | 274,117 | 15.0% |
| Middlesex, CT | 184,735 | 10.1% |
| Litchfield, CT | 176,384 | 9.6% |
| Tolland, CT | 166,987 | 9.1% |
| Windham, CT | 126,640 | 6.9% |
| Fairfield, CT | 3,525 | 0.2% |
Area Code 959 Family Tree
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Area code 959 was originally assigned in 30-Aug-2014 to serve CT.
Call Context
This area code covers a geographic region across CT, including Hartford and surrounding communities.
Nearby Area Codes
Area codes geographically closest to 959.
Other Area Codes in Connecticut
Area codes that also serve Connecticut, linked for easy comparison.