Who called you?
(312) 620-7739
(312) 620-7739 is a landline / voip number from Chicago Zone 01-Calumet, IL on a prefix assigned to BANDWIDTH.COM CLEC, LLC - IL. The FCC has 2 unwanted-call complaints on record for this number, most recently 2025-09-18.
Who called me from (312) 620-7739?
Carrier & location
- Type
- Landline / VoIP
- Assigned carrier
- BANDWIDTH.COM CLEC, LLC - IL
- Rate center
- Chicago Zone 01-Calumet, IL
- Area code
- 312 — IL
- Time zone
- C
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.
FCC complaint history
Consumers filed 2 unwanted-call complaints naming (312) 620-7739 with the FCC, most recently on 2025-09-18, from 2 states (NV, VA). Source: FCC Consumer Complaint Data, public record.
Did this number call you? What was it?
FCC complaint log for (312) 620-7739
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 | Issue | Method | State |
|---|---|---|---|
| 2025-09-18 | Unwanted Calls | Wireless (cell phone/other mobile device | NV |
| 2025-07-19 | Unwanted Calls | Wireless (cell phone/other mobile device | VA |
Is (312) 620-7739 a scam? Community reports
No community reports for (312) 620-7739 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 (312) 620
Robocall campaigns often rotate through a block of numbers on the same prefix — if several neighbors have complaints too, that's campaign behavior.
Related
FAQs about (312) 620-7739
Who called me from (312) 620-7739?
(312) 620-7739 is a landline / voip number on a prefix assigned to BANDWIDTH.COM CLEC, LLC - IL, based in Chicago Zone 01-Calumet, IL. The FCC has logged 2 unwanted-call complaints against this number. Check the community reports on this page for first-hand accounts of what the call was about.
Is (312) 620-7739 a scam or robocall?
The FCC's public complaint data contains 2 complaints about unwanted calls from (312) 620-7739. 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 (312) 620-7739 back?
Only if you were expecting the call or the community reports identify a legitimate business. Never call back numbers that left no voicemail — if it mattered, they'll leave a message. One-ring "callback" scams rely on curiosity dials to premium international routes.
How do I block this number?
On iPhone: open Recents, tap the ⓘ next to the number, choose "Block this Caller". On Android: open the Phone app, long-press the call, choose Block/Report spam. Your carrier's free tools (AT&T ActiveArmor, Verizon Call Filter, T-Mobile Scam Shield) block entire spam campaigns, not just one number.
WhoCalledLookup is not a consumer reporting agency (FCRA). Community reports are user opinions, not statements of fact by this site. Own this number? Dispute a listing.