Who called you?
(650) 450-4940
(650) 450-4940 is a wireless (mobile) number from Mt View, CA on a prefix assigned to AT&T Mobility (New Cingular Wireless PCS). Consumers have filed 14 complaints about it with the FCC, most recently on 2025-12-13.
Who called me from (650) 450-4940?
Carrier & location
- Type
- Wireless (mobile)
- Assigned carrier
- AT&T Mobility (New Cingular Wireless PCS)
- Rate center
- Mt View, CA
- Prefix 650-450
- assigned 2002-01-28, pooled block
- Area code
- 650 — California
- Time zone
- P
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
- FCC complaints
- 142020-04-16 → 2025-12-13
- Community reports
- 0
FCC Consumer Complaint Data, public record. Complaints run from 2020-04-16 to 2025-12-13.
Did this number call you? What was it?
Complaint pattern for (650) 450-4940
What the 14 public FCC complaints naming this number show about when the calls happened, where they landed and how they were placed. Derived from the FCC Consumer Complaint Data Center, a public record.
FCC complaints per month. Peak month: 2022-10 (2).
Complaints span 5.7 years, from 2020-04-16 to 2025-12-13, with activity recorded in 13 separate months.
Where the complaints came from
Complaints came from 8 states, concentrated in AK (4), CA (2), OH (2).
How the calls were placed
- Prerecorded Voice
- 13
- Abandoned Calls
- 1
- Wireless (cell phone)
- 6
- Wired
- 4
- Internet (VOIP)
- 4
Prerecorded Voice: A recorded message rather than a person. Prerecorded marketing calls to a mobile require prior express written consent under the TCPA.
Prefix and area context
5 other numbers on the (650) 450 block have complaints too — 19 across the block in total. 1 of them were complained about during the same period as this number, which is what a campaign rotating through a block of consecutive numbers looks like from the outside.
Within area code 650 (California), this is the 14th most-complained-about number of the 2,662 that have any complaint on record.
Source: FCC Consumer Complaint Data Center. Complaints are unverified consumer submissions: they record what someone reported, not a finding against the caller. Numbers can be spoofed, so a complaint may describe a call that only displayed this number.
FCC complaint log for (650) 450-4940
The most recent unwanted-call complaints US consumers filed with the FCC naming this number — type of issue, contact method, and the state the complaint came from. Public record, imported nightly.
| Date | Call type | Method | State |
|---|---|---|---|
| 2025-12-13 | Prerecorded Voice | Internet (VOIP) | OH |
| 2024-01-10 | Prerecorded Voice | Wireless (cell phone/other mobile device | FL |
| 2023-06-11 | Prerecorded Voice | Wireless (cell phone/other mobile device | AK |
| 2023-05-31 | Prerecorded Voice | Wireless (cell phone/other mobile device | AK |
| 2023-04-01 | Prerecorded Voice | Wireless (cell phone/other mobile device | WA |
| 2023-03-31 | Prerecorded Voice | Wireless (cell phone/other mobile device | WA |
| 2022-10-29 | Prerecorded Voice | Wired | OH |
| 2022-10-14 | Prerecorded Voice | Internet (VOIP) | LA |
| 2022-01-04 | Prerecorded Voice | Wired | CA |
| 2021-12-20 | Prerecorded Voice | Wired | CA |
Reported in the last 7 days in area code 650 (California)
Numbers in this area code that consumers reported to the FTC's Do Not Call Registry this week.
- (650) 436-01994 this week · No subject given
- (650) 705-35513 this week · No subject given
- (650) 899-86672 this week · Impostor (government, business, family)
- (650) 404-00612 this week · Dropped call / no message
- (650) 204-11111 this week · Computer & tech support
- (650) 252-97341 this week · Impostor (government, business, family)
- (650) 304-07941 this week · Debt reduction
- (650) 399-92271 this week · No subject given
- (650) 427-00501 this week · No subject given
- (650) 457-04821 this week · Dropped call / no message
Is (650) 450-4940 a scam? Community reports
No community reports for (650) 450-4940 yet. If this number called you, you're likely the first — leave a report below and help the next person who searches it.
Other reported numbers starting (650) 450
Robocall campaigns often rotate through a block of numbers on the same prefix — if several neighbors have complaints too, that's campaign behavior.
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 (650) 450-4940
Who called me from (650) 450-4940?
(650) 450-4940 is a wireless (mobile) number on a prefix assigned to AT&T Mobility (New Cingular Wireless PCS), based in Mt View, CA. Consumers have filed 14 complaints about it with the FCC.
Is (650) 450-4940 a scam or robocall?
The FCC's public complaint data contains 14 complaints about unwanted calls from (650) 450-4940, including 13 categorized as robocalls. That is a strong signal, but not proof — read the community reports and never share personal or payment information with an unsolicited caller.
Should I call (650) 450-4940 back?
The most recent complaint against this number was filed on 2025-12-13. As a general rule, only return a call you were expecting: a caller with legitimate business will leave a voicemail.
Where were the complaints about (650) 450-4940 filed?
Consumers in 8 states filed complaints about this number, most often from AK, CA, OH. The FCC records the state the complainant 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.