Area Code 475

Connecticut

Area code 475 serves Connecticut, primarily Bridgeport, in the Eastern Time (ET) time zone. It is an overlay area code sharing territory with area code 203.

Published:

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 203 (Bridgeport).

In service since: 12-Dec-2009

Learn more about overlay and split area codes →

Demographics & Economics

Total Population
1,847,298
Population Density
2,063 people/sq mi
above U.S. average (U.S.: 93 people/sq mi)
Median Household Income
$87,135
above U.S. median (U.S.: $75,144)
Poverty Rate
12.8%
above U.S. average (U.S.: 11.5%)
Unemployment Rate
4.0%
above U.S. average (U.S.: 3.6%)
Education Attainment
Bachelor's Degree+
23.6%
below U.S. average (U.S.: 33.7%)
High School or Lower
0.0%

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

Eastern Time (ET)
 
 

Prefix Utilization

Geographic Coverage

State

CT

Major Cities

  • Bridgeport
  • Stamford
  • New Haven
  • Waterbury
  • Norwalk
  • Danbury
  • Meriden
  • West Haven
  • Shelton
  • Naugatuck
  • East Haven
  • North Haven
  • Ansonia
  • Wallingford Center
  • Greenwich
  • Orange
  • Derby
  • Bethel
  • Trumbull Center
  • Sandy Hook
  • Riverside
  • Cos Cob
  • Ridgefield
  • New Canaan

and 76 more cities

Area Code 475 geographic coverage map (light mode)

Demographics

The estimated population served by area code 475 is approximately 1,847,298. The population density is 2,063 people per square mile, which is higher than the national average of 93. The median household income is $87,135, which is higher than the national median of $75,144. Approximately 23.6% 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 12.8%, which is higher than the national rate of 11.5%.

History

Area code 475 serves as an overlay for the same territory as area code 203. It was introduced in 2009 to provide additional phone number capacity for the region. It shares its territory with area code area code 203.

County Coverage

Population-weighted county share based on aggregated ZCTA population (100% = total mapped population for area code 475).

CountyPopulationShare
Fairfield, CT947,56351.3%
New Haven, CT862,02846.7%
Hartford, CT24,5221.3%
Litchfield, CT13,1850.7%

Area Code 475 Family Tree

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203475860959
1
Total Codes
0
Splits
0
Overlays
0
Max Depth

Area code 475 was originally assigned in 12-Dec-2009 to serve CT.

Call Context

Regional geographic area

This area code covers a geographic region across CT, including Bridgeport and surrounding communities.

Nearby Area Codes

Area codes geographically closest to 475.

Other Area Codes in Connecticut

Area codes that also serve Connecticut, linked for easy comparison.