Area Code 624

New York

Area code 624 serves New York, primarily Buffalo, in the Eastern Time (ET) time zone. It is an overlay area code sharing territory with area code 716.

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 716 (Buffalo).

In service since: 16-Nov-2023

Learn more about overlay and split area codes →

Demographics & Economics

Total Population
1,458,604
Population Density
292 people/sq mi
above U.S. average (U.S.: 93 people/sq mi)
Median Household Income
$71,175
near U.S. median (U.S.: $75,144)
Poverty Rate
14.3%
above U.S. average (U.S.: 11.5%)
Unemployment Rate
5.1%
above U.S. average (U.S.: 3.6%)
Education Attainment
Bachelor's Degree+
32.7%
near U.S. average (U.S.: 33.7%)
High School or Lower
31.9%

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

NY

Major Cities

  • Buffalo
  • Cheektowaga
  • Niagara Falls
  • West Seneca
  • North Tonawanda
  • Jamestown
  • Lockport
  • Lackawanna
  • Eggertsville
  • Kenmore
  • Depew
  • Tonawanda
  • Olean
  • Dunkirk
  • Lancaster
  • Hamburg
  • Fredonia
  • South Lockport
  • University at Buffalo
  • East Aurora
  • Salamanca
  • Harris Hill
  • Williamsville
  • Springville

and 73 more cities

Area Code 624 geographic coverage map (light mode)

Demographics

The estimated population served by area code 624 is approximately 1,458,604. The population density is 292 people per square mile, which is higher than the national average of 93. The median household income is $71,175, which is near the national median of $75,144. Approximately 32.7% of adults hold a bachelor's degree or higher, compared to the national rate of 33.7%. This rate is near the national average. The poverty rate stands at 14.3%, which is higher than the national rate of 11.5%.

History

Area code 624 serves as an overlay for the same territory as area code 716. It was introduced in 2023 to provide additional phone number capacity for the region. It shares its territory with area code area code 716.

County Coverage

Population-weighted county share based on aggregated ZCTA population (100% = total mapped population for area code 624).

CountyPopulationShare
Erie, NY955,71965.5%
Niagara, NY220,09215.1%
Chautauqua, NY132,6559.1%
Cattaraugus, NY96,9856.6%
Genesee, NY25,5471.8%
Wyoming, NY13,3630.9%
Orleans, NY8,0570.6%
Allegany, NY6,1860.4%

Area Code 624 Family Tree

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716585624
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Total Codes
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Splits
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Overlays
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Max Depth

Area code 624 was originally assigned in 16-Nov-2023 to serve NY.

Call Context

Regional geographic area

This area code covers a geographic region across NY, including Buffalo and surrounding communities.

Nearby Area Codes

Area codes geographically closest to 624.

Other Area Codes in New York

Area codes that also serve New York, linked for easy comparison.