Caller ID for
Area code 516
Area code 516 Nassau, New York
Area code 516 is in New York, with numbers assigned in Nassau, Farmingdale, Selden and 4 more places. It’s 12:11 AM there now.
- State
- New York23 area codes in New York
- Time zone
- Eastern12:11 AM there now
- Exchanges
- 7837 places
- Overlay
- 363Same area, 10-digit dialing
- No sign-up
- We never contact the number
- Spam risk included
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Where area code 516 is
Numbers in 516 are assigned to 7 places in 3 counties: Rensselaer County, Suffolk County and Nassau County.
Nassau holds most of them: 90% of the exchanges.
- Nassau701
- Farmingdale29
- Selden25
- Cold Spring Harbor10
- Brentwood10
- Central Islip5
- Amityville3
Phone companies in 516
783 blocks of numbers in 516 are held by 36 phone companies. The most belong to Verizon (208), T-Mobile (117) and AT&T Mobility (88).
A mix: about 37% wireless, 32% local phone and cable and 32% other carriers, including internet phone services.
A block’s holder is the company it was first assigned to; numbers can move to other carriers since.
History and overlays
516 went into service in 1951, added to the area of 914.
363 (since 2023) shares the same area, so a new number there can get any of these codes and local calls are dialed with all 10 digits.
62 new exchanges were assigned since 2021, the latest in August 2026.
Calling 516
It’s 12:11 AM Eastern time in 516 right now.
From elsewhere in the U.S., dial 1, 516 and the 7-digit number; inside the area, all 10 digits too.
Nearby area codes
New York has 23 area codes: 212, 315, 329, 332, 347, 363, 465, 516, 518, 585, 607, 624, 631, 646, 680, 716, 718, 838, 845, 914, 917, 929 and 934.
- 413 · Springfield, MA · about 46 mi
- 838 · Albany, NY · about 47 mi
- 518 · Albany, NY · about 51 mi
- 845 · Poughkeepsie, NY · about 63 mi
- 329 · Poughkeepsie, NY · about 65 mi
- 860 · Hartford, CT · about 67 mi
From the North American Numbering Plan Administrator’s area code and exchange records (10/22/2026) and U.S. Census place and county names. Places and companies are where number blocks were assigned, not where anyone lives or which carrier a number uses today.
Map of the 516 area code
Map of the 516 area code around Nassau, Farmingdale and Selden, New York.
Cities on the map
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Questions about 516
Where is area code 516?
In New York, covering Nassau, Farmingdale and Selden and other places across 3 counties.
What time zone is 516 in?
Eastern time. It was 12:11 AM there when this page loaded.
Is 516 an overlay?
Yes. 363 serves the same area, so dial all 10 digits for local calls.
Which phone companies have 516 numbers?
36 companies hold blocks; the most belong to Verizon, T-Mobile and AT&T Mobility. About 37% of blocks are wireless.
Is 516 running out of numbers?
Not on record. 62 new exchanges have been assigned since 2021.