NEW YORK · AREA CODE GUIDE
363 area code location: Farmingdale, New York
- Local date and time
- Eastern Time
Map data: HSIP (2010) · NANPA · US Census Bureau, checked 26 September 2026. Boundaries are approximate.
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Download the 363 area code map
A printable area code 363 location map, with time zone and state. Use the PNG image in a document or slide; the SVG stays sharp at any size.
363 area code at a glance
- State
- New York
- Primary cities
- Farmingdale and Cold Spring Harbor
- Established
- Population
- Largest community: Farmingdale, 8,584 (2025)Not an area-code population.
- Prefixes in service
- 36 as of 13 October 2026
An area code does not show where a caller is now.
History
Country and calling code: United States (+1).
Parent code: 516.
New code planned: No, as of 22 September 2026.
Time zone
- Eastern Time
- Standard time UTC−05:00
- Daylight saving time UTC−04:00
Counties and cities covered
363 numbers are issued across 3 communities. These are telephone exchange areas, which follow the phone network rather than city limits, so a place can sit just outside the boundary of the town it is named for.
Counties of the communities we could place (the code may reach further): Nassau County.
- Farmingdale
- Cold Spring Harbor
- Nassau
Notable places in 363
| Place | Where | What it is |
|---|---|---|
| Hofstra University | 13.1 km from Farmingdale | University, 11,251 12-month enrollment (2023–24) |
| Nassau Veterans Memorial Coliseum | 12.2 km from Farmingdale | Arena |
| New York Institute of Technology | 13.9 km from Cold Spring Harbor | University, 7,224 12-month enrollment (2023–24) |
| Adelphi University | 17.3 km from Farmingdale | University, 8,359 12-month enrollment (2023–24) |
| James M. Shuart Stadium | 12.7 km from Farmingdale | Stadium |
| Mitchel Air Force Base | 12.5 km from Farmingdale | Military base |
| Roosevelt Field | 14.1 km from Farmingdale | Airport |
| Planting Fields Arboretum State Historic Park | 8.5 km from Cold Spring Harbor | Botanical garden |
| Cradle of Aviation Museum | 12.7 km from Farmingdale | Museum |
| The Museum of Disability History | 18.3 km from Farmingdale | Museum |
Also serving this area
Questions about 363
Where is the 363 area code?
363 is in New York. Its numbers are issued in Farmingdale, Cold Spring Harbor, and 1 other community.
What time zone is area code 363 in?
363 is in Eastern Time. Daylight saving time is observed.
Is 363 an overlay?
Yes. 363 was added as an overlay on 516 on 20 January 2023.
What cities are in the 363 area code?
Farmingdale and Cold Spring Harbor, and 1 other community.
What state is area code 363 in?
Area code 363 is in New York.
What counties are covered by area code 363?
Area code 363 covers communities in Nassau County.
Is 363 a toll-free area code?
No. 363 is a geographic area code. The toll-free codes are 800, 833, 844, 855, 866, 877, and 888.
Sources: NANPA area code listing, NANPA places by area code, NANPA central office code assignments, U.S. Census Bureau population estimates, OMB metropolitan area delineations. Checked .
Business phone numbers in area code 363, answered by an AI agent
A local number for Farmingdale and Cold Spring Harbor, New York, with an AI receptionist that takes caller details, answers the questions you give it, and books appointments. Numbers depend on what carriers have left.