Who called you?
(503) 401-9991
(503) 401-9991 is a landline / voip number from Portland, OR on a prefix assigned to Qwest (CenturyLink / Lumen). Consumers have filed 28 complaints about it: 1 with the FTC's Do Not Call Registry and 27 with the FCC, most recently on 2026-10-14.
Reported this month — 1 FTC complaint in the last 30 days, most recently 8 days ago, for warranty robocalls.
Who called me from (503) 401-9991?
Carrier & location
- Type
- Landline / VoIP
- Assigned carrier
- Qwest (CenturyLink / Lumen)
- Rate center
- Portland, OR
- Area code
- 503 — Oregon
- 503 covers
- Portland, Beaverton and Salem
- Local time there
- —Pacific
This prefix is assigned to a wireline or VoIP operator. VoIP lines are cheap to obtain in bulk, which makes them a common vehicle for spam and scam calling campaigns. 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
- 12026-10-14
- FCC complaints
- 272021-04-01 → 2021-11-05
- Community reports
- 0
FTC Do Not Call complaints (unverified consumer reports); FCC Consumer Complaint Data, public record. Complaints run from 2021-04-01 to 2026-10-14.
Did this number call you? What was it?
What (503) 401-9991 was reported for
1 consumer reported this number to the FTC's National Do Not Call Registry on 2026-10-14. Source: FTC Do Not Call complaints (unverified consumer reports).
Reported this month — 1 FTC complaint in the last 30 days, most recently 8 days ago, for warranty robocalls.
Reported for
The subject each consumer chose when filing. “Impostor” means the caller claimed to be a government agency, a business, or a relative.
- Warranties & protection plans1 (100%)
1 of 1 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.
Where it was reported
The state the consumer filed from — where the call landed, not where it originated.
- CO1 (100%)
Most often from Hesperus, CO.
Recent FTC reports naming (503) 401-9991
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 |
|---|---|---|---|---|
| 2026-10-14 | 2026-10-13 12:00 | Warranties & protection plans | Yes | Hesperus, CO |
Reported in the last 7 days in area code 503 (Oregon)
Other 503 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.
Complaint pattern for (503) 401-9991
What the 27 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: 2021-06 (11).
Complaints span 7 months, from 2021-04-01 to 2021-11-05, with activity recorded in 7 separate months.
Where the complaints came from
Complaints came from 7 states, concentrated in OR (9), MA (8), MD (3).
How the calls were placed
- Prerecorded Voice
- 19
- Live Voice
- 4
- Abandoned Calls
- 4
- Wired
- 25
- Internet (VOIP)
- 1
- Wireless (cell phone)
- 1
Prerecorded Voice: A recorded message rather than a person. Prerecorded marketing calls to a mobile require prior express written consent under the TCPA.
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 (503) 401-9991
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 |
|---|---|---|---|
| 2021-11-05 | Prerecorded Voice | Wired | MA |
| 2021-10-21 | Live Voice | Internet (VOIP) | OK |
| 2021-08-25 | Prerecorded Voice | Wired | OR |
| 2021-08-24 | Prerecorded Voice | Wired | IN |
| 2021-08-13 | Prerecorded Voice | Wired | MA |
| 2021-08-11 | Abandoned Calls | Wired | NY |
| 2021-08-09 | Live Voice | Wired | OK |
| 2021-08-09 | Live Voice | Wired | OK |
| 2021-07-01 | Live Voice | Wired | OR |
| 2021-06-24 | Prerecorded Voice | Wired | OR |
Is (503) 401-9991 a scam? Community reports
No community reports for (503) 401-9991 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 (503) 401-9991
Who called me from (503) 401-9991?
(503) 401-9991 is a landline / voip number on a prefix assigned to Qwest (CenturyLink / Lumen), based in Portland, OR. Consumers have filed 28 complaints about it — 1 with the FTC's Do Not Call Registry and 27 with the FCC, most often describing warranty calls.
Is (503) 401-9991 a scam or robocall?
1 consumer reported (503) 401-9991 to the FTC, and 100% of those who answered the question said it was a recorded message or robocall. The most common subject was warranty. 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 (503) 401-9991 back?
Reports about this number are current — the most recent FTC complaint was filed 2026-10-14 — 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 were the complaints about (503) 401-9991 filed?
Consumers in 7 states filed complaints about this number, most often from OR, MA, MD. 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.