Who called you?
(516) 540-5766
(516) 540-5766 is a wireless (mobile) number from Nassau County, NY on a prefix assigned to AT&T Mobility (New Cingular Wireless PCS). Consumers have filed 9 complaints about it: 9 with the FTC's Do Not Call Registry, most recently on 2026-10-09.
Reported this month — 1 FTC complaint in the last 30 days, most recently 15 days ago, for impostor robocalls.
What else to check
Few or no recent complaints are on record for (516) 540-5766. Robocallers rotate through many numbers, so a campaign often shows up first in the area code, the state or the national complaint data:
Who called me from (516) 540-5766?
Carrier & location
- Type
- Wireless (mobile)
- Assigned carrier
- AT&T Mobility (New Cingular Wireless PCS)
- Rate center
- Nassau County, NY
- Prefix 516-540
- assigned 2019-12-10, pooled block
- Area code
- 516 — New York
- 516 covers
- Nassau County, Farmingdale and Selden
- Local time there
- —Eastern
This prefix is assigned to a wireless carrier, so the number is a mobile line. Caller ID for mobile numbers is frequently spoofed by robocallers. Carrier assignment shows who the prefix was allocated to; numbers can be ported, and caller ID can be spoofed.
Complaint history
- FTC Do Not Call reports
- 92026-09-21 → 2026-10-09
- Community reports
- 0
FTC Do Not Call complaints (unverified consumer reports). Complaints run from 2026-09-21 to 2026-10-09.
Did this number call you? What was it?
What (516) 540-5766 was reported for
9 consumers reported this number to the FTC's National Do Not Call Registry between 2026-09-21 and 2026-10-09. Source: FTC Do Not Call complaints (unverified consumer reports).
Reported this month — 1 FTC complaint in the last 30 days, most recently 15 days ago, for impostor robocalls.
FTC Do Not Call reports per month. Peak month: 2026-09 (8).
The heaviest single day was 2026-09-22, when 4 separate consumers reported this number. Same-day clusters like that come from automated dialling rather than one person making calls.
Reported for
The subject each consumer chose when filing. “Impostor” means the caller claimed to be a government agency, a business, or a relative.
- Other / unspecified4 (44%)
- Impostor (government, business, family)3 (33%)
- Dropped call / no message1 (11%)
- No subject given1 (11%)
9 of 9 consumers who answered the question said the call was a recorded message or robocall. Prerecorded sales calls to a cell phone require prior express written consent under the TCPA.
When the calls came in
Consumers put 56% of the reported calls in the noon – 5 pm window, and 100% on weekdays. The FTC's Telemarketing Sales Rule bars sales calls before 8 am or after 9 pm in the consumer's local time.
Recent FTC reports naming (516) 540-5766
The most recent Do Not Call complaints, as filed: the date the consumer reported it, when they said the call happened, what it was about, and the city and state they filed from.
| Reported | Call time | Subject | Robocall | From |
|---|---|---|---|---|
| 2026-10-09 | 2026-09-23 11:49 | Impostor (government, business, family) | Yes | San Antonio, TX |
| 2026-09-23 | 2026-09-23 12:13 | Other / unspecified | Yes | Imperial Beach, CA |
| 2026-09-23 | 2026-09-23 15:39 | Dropped call / no message | Yes | Johnson City, TN |
| 2026-09-23 | 2026-09-23 20:45 | No subject given | Yes | CA |
| 2026-09-22 | 2026-09-22 18:08 | Other / unspecified | Yes | Yuma, AZ |
| 2026-09-22 | 2026-09-22 13:28 | Other / unspecified | Yes | Dallas, TX |
| 2026-09-22 | 2026-09-22 13:25 | Other / unspecified | Yes | Dallas, TX |
| 2026-09-22 | 2026-09-22 09:35 | Impostor (government, business, family) | Yes | San Francisco, CA |
| 2026-09-21 | 2026-09-21 13:57 | Impostor (government, business, family) | Yes | Montclair, CA |
Reported in the last 7 days in area code 516 (New York)
Other 516 numbers consumers reported to the FTC this week — useful when a campaign is rotating through an area code.
Source: FTC Do Not Call Reported Calls data, published every weekday. These are unverified consumer reports — they record what someone said about a call, not a finding against the number's owner. Caller ID is routinely spoofed, so a report can describe a call that only displayed this number. No reporter is identified beyond city and state.
Is (516) 540-5766 a scam? Community reports
No community reports for (516) 540-5766 yet. If this number called you, you're likely the first — leave a report below and help the next person who searches it.
What to do next
Block it on Android or iPhone, turn on your carrier's free filtering, and report the call to the FCC and FTC — those complaints are the public record this page is built from.
Related
FAQs about (516) 540-5766
Who called me from (516) 540-5766?
(516) 540-5766 is a wireless (mobile) number on a prefix assigned to AT&T Mobility (New Cingular Wireless PCS), based in Nassau County, NY. Consumers have filed 9 complaints about it — 9 with the FTC's Do Not Call Registry, most often describing impostor calls.
Is (516) 540-5766 a scam or robocall?
9 consumers reported (516) 540-5766 to the FTC, and 100% of those who answered the question said it was a recorded message or robocall. The most common subject was impostor. 1 of the reports were filed in the last 30 days, so the campaign is current. Complaints are a strong signal, not proof — never share personal or payment information with an unsolicited caller.
Should I call (516) 540-5766 back?
Reports about this number are current — the most recent FTC complaint was filed 2026-10-09 — so calling back is not advisable. As a general rule, only return a call you were expecting: a caller with legitimate business will leave a voicemail.
Where was (516) 540-5766 reported?
Consumers in 4 states reported this number to the FTC, most often from CA, TX, TN. The FTC records the state the consumer filed from, not where the call originated — caller ID can be spoofed to display any number.
WhoCalledLookup is not a consumer reporting agency (FCRA). Community reports are user opinions, not statements of fact by this site; FTC and FCC complaints are unverified consumer submissions. Own this number? Dispute a listing.