Who called you?
(240) 304-3739
(240) 304-3739 is a wireless (mobile) number from Wshngtnzn5, MD on a prefix assigned to Omnipoint Communications Cap Operations, LLC. Consumers have filed 1 complaint about it with the FCC, most recently on 2026-06-23.
Who called me from (240) 304-3739?
Carrier & location
- Type
- Wireless (mobile)
- Assigned carrier
- Omnipoint Communications Cap Operations, LLC
- Rate center
- Wshngtnzn5, MD
- Prefix 240-304
- assigned 2002-07-03, pooled block
- Area code
- 240 — Maryland
- Time zone
- E
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
- 12026-06-23
- Community reports
- 0
FCC Consumer Complaint Data, public record.
Did this number call you? What was it?
Complaint pattern for (240) 304-3739
What the 1 public FCC complaint 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.
All 1 complaints were filed on the same day (2026-06-23) — a single burst rather than sustained calling.
Where the complaints came from
- PA1
Every complaint came from a single state (PA), which is more consistent with a local or regional caller than a national campaign.
How the calls were placed
- Prerecorded Voice
- 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.
Prefix and area context
8 other numbers on the (240) 304 block have complaints too — 23 across the block in total. None of them overlap in time with this number, so the block activity looks like separate episodes rather than one campaign.
Within area code 240 (Maryland), this is the 428th most-complained-about number of the 3,043 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 (240) 304-3739
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 |
|---|---|---|---|
| 2026-06-23 | Prerecorded Voice | Wireless (cell phone/other mobile device | PA |
Reported in the last 7 days in area code 240 (Maryland)
Numbers in this area code that consumers reported to the FTC's Do Not Call Registry this week.
- (240) 591-386614 this week · Impostor (government, business, family)
- (240) 820-33523 this week · Impostor (government, business, family)
- (240) 443-26752 this week · No subject given
- (240) 503-04592 this week · Debt reduction
- (240) 696-31412 this week · Dropped call / no message
- (240) 614-41062 this week · Debt reduction
- (240) 730-36012 this week · Impostor (government, business, family)
- (240) 780-09842 this week · Debt reduction
- (240) 309-21292 this week · No subject given
- (240) 353-04302 this week · Impostor (government, business, family)
Is (240) 304-3739 a scam? Community reports
No community reports for (240) 304-3739 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 (240) 304
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 (240) 304-3739
Who called me from (240) 304-3739?
(240) 304-3739 is a wireless (mobile) number on a prefix assigned to Omnipoint Communications Cap Operations, LLC, based in Wshngtnzn5, MD. Consumers have filed 1 complaint about it with the FCC.
Is (240) 304-3739 a scam or robocall?
The FCC's public complaint data contains 1 complaint about unwanted calls from (240) 304-3739, including 1 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 (240) 304-3739 back?
Complaints about this number are current — the most recent was filed 73 days ago — 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.
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.