363 area code: location, overlays and numbers
Since 2023, area code 363 has served Long Island, New York, as a US telephone area code overlaid with 516.
- Location
- Long Island, New York
- Service start
- 2023
- The time zone
- Eastern time
- Overlay
- 516
- Local calling
- Full 10-digit dialling
- The rate centres
- 3
- Expected exhaust
- 2073
- Country calling prefix
- +1 (United States)
Source: NANPA public reports, including the area code report and rate-centre report. The file is dated 11/01/2026. The exhaust year comes from NANPA projections 2026-1 (April 2026). The official NANPA site is not this one.
Get a 363-area number
You can get a 363 number in two ways. With its plan, a provider assigns a new number. The number is picked during sign-up from those the provider holds in the code. A seller posts numbers it already has, often with a pattern, at a one-time price; you later move that number to a provider.
Providers, listed by first-year cost
| Provider | Cheapest plan | First year | Link |
|---|---|---|---|
 Free app | Basic (Just for me), free | $0 | Open Google Voice |
 Free app | Free plan, free | $0 | Open TextNow |
 Developer API | Pay-as-you-go local number, $1.15 a month | $13.80 | Open Twilio |
 Second-number app | Standard, $3.99 a month billed yearly | $47.99 | Open Burner |
 Toll-free specialist | Solo, $6.99 a month billed yearly | $84 | Open UniTel Voice |
 Second-number app | Deluxe (local number), $6.99 a month billed yearly | $102.88 | Open GoDaddy Conversations (formerly Smartline) |
Sellers offering listed local numbers
| Seller | What it sells | Listed price | Monthly fee | Link |
|---|---|---|---|---|
 Marketplace | Local numbers | From $9 one-time | None stated | Search at Exclusive Digits |
 Marketplace | Local and toll-free | From $9.95 one-time | $2.99 a month | Search at NumberBarn |
 Number broker | Local and toll-free | From $99 one-time | None stated | Search at RingBoost |
 Number broker | Local and toll-free | From $100 one-time | None stated | Search at PhoneNumberExpert |
| 212areacode.comNumber broker | Local numbers | From $150 one-time | None stated | Search at 212areacode.com |
We may receive a referral fee from certain sellers and providers. Referral fees never affect the order, which is based on first-year cost. How we earn
Places in the 363 area code
According to NANPA, 363 has 3 rate centres. Each is a local calling area, and numbers are assigned to it:
Cold Spring Harbor, Farmingdale, Nassau.
Other related area codes
Both cover the same area and share one pool of numbers: 516. Any of these codes can give you a new number in this area, so ask for the one you want.
New York area codes besides this one: 212, 315, 518, 716, 914, 607, 718, 917, 646, 347, 631, 845, 585, 929, 934, 680, 332, 838, 329, 624 and 465.
Guides by city: Long Island area codes.
363 area code questions
Where is area code 363?
Calls to 363 ring in Long Island, New York, around New York-Newark-Jersey City, NY-NJ.
Which country code does a 363 number use?
+1. Because 363 belongs to the North American Numbering Plan, calls from abroad use +1 363 followed by the 7-digit number.
What time is it in the 363 area code?
The 363 area code uses Eastern time.
Who uses a 363 number to call?
Calls can come from anyone with a number in this code: a home, mobile, local business or a caller who fakes a local number. When you see a 363 number, it points to where that number was assigned, not to who is calling.