Area Code 646
New York
Area code 646 serves New York, primarily New York, in the Eastern Time (ET) time zone. It is an overlay area code sharing territory with area code 212.
Overlay Area Codes
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 212 (New York), area code 332 (New York), area code 917 (New York).
In service since: 01-Jul-1999
History
Area code 646 serves as an overlay for the same territory as area code 212. It was introduced in 1999 to provide additional phone number capacity for the region. It shares its territory with area codes area code 212 and area code 332 and area code 917.
Demographics
The estimated population served by area code 646 is approximately 1,617,259. The population density is 71,842 people per square mile, which is higher than the national average of 94. The median household income is $104,553, which is higher than the national median of $78,538. Approximately 64.0% of adults hold a bachelor's degree or higher, compared to the national rate of 35.0%. This rate is higher than the national average. The poverty rate stands at 15.8%, which is higher than the national rate of 12.4%.
Demographics & Economics
- Total Population
- 1,617,259
- Population Density
- 71,842 people/sq miabove U.S. average (U.S.: 94 people/sq mi)
- Median Household Income
- $104,553above U.S. median (U.S.: $78,538)
- Poverty Rate
- 15.8%above U.S. average (U.S.: 12.4%)
- Unemployment Rate
- 7.0%above U.S. average (U.S.: 5.2%)
- Education Attainment
- Bachelor's Degree+64.0%above U.S. average (U.S.: 35.0%)High School or Lower17.5%
Statistics are population-weighted aggregations from Census ACS 5-year estimates.See Sources for details.
Geographic Coverage
State
NY
Major Cities
- New York
- Bellerose Terrace
- New York City
Time Zone
- Eastern Time (ET)
Current Time
County Coverage
Population-weighted county share based on aggregated ZCTA population (100% = total mapped population for area code 646).
| County | Population | Share |
|---|---|---|
| New York, NY | 1,617,259 | 100.0% |
Call Context
This area code covers a geographic region across NY, including New York and surrounding communities.
Nearby Area Codes
Area codes geographically closest to 646.
Other Area Codes in New York
Area codes that also serve New York, linked for easy comparison.
Frequently Asked Questions
Common questions about area code 646 and how phone numbering works.
Phone numbers assigned to area code 646 are tied to where they were originally provisioned — not the caller's current location. This code serving roughly 1617k people covers New York in NY, so a number originally set up there will retain the 646 prefix even if the owner moves or uses VoIP. As a densely populated metro area, New York sees high call volume from both local and redirected numbers. Mobile phones keep their original number when users relocate, and businesses often adopt local area codes to establish a regional presence.
Start by looking up the area code on this site to understand its geographic context — area code 646 is associated with New York in NY. For caller-specific details, use your carrier's caller ID features or check public directories. If you suspect fraud, you can report it to the FTC. To file a complaint about robocalls or spoofed numbers, visit the FCC Consumer Complaint Center. You can also register with the National Do Not Call Registry.
When an area's available number pool runs low, regulators introduce an "overlay" code covering the same territory. Both codes coexist, and new numbers are assigned from whichever has availability. Area code 646 serves the New York region in NY, where growing demand for phone numbers necessitated an additional code. This area code shares its region with area code 212, area code 332, area code 917. Learn more in our overlay vs split guide.