800Notes is described as a community-sourced phone-number lookup and complaint resource: people can search for reports linked to a number and use other users’ accounts as clues about an unfamiliar call. Those reports are not verified caller identities or official findings of fraud, so treat 800Notes as a starting point for investigation—not proof of who called.
What 800Notes is
A third-party company profile describes 800Notes as a free reverse phone lookup database built from user reports. Academic researchers have also treated 800Notes as a source of self-reported telephony-abuse complaints. In practice, that model can provide context about what other people say they experienced with a number, but it does not establish who was actually calling.
The service is distinct from an official fraud-reporting record or a verified directory. A report is a user’s account, and its presence on a number page does not independently confirm the caller’s identity, intent, or conduct.
How to use a number report
The available sources support the general lookup-and-report model, but do not establish 800Notes’ current interface or exact search and posting steps. If you consult a report associated with a number, use it to guide further checks:
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- COMPATIBILITY: For traditional analog landline phones and services from providers such as AT&T, Verizon, Frontier Communications, CenturyLink, and Brightspeed. Not compatible with internet-based or digital phone services (VoIP), including Vonage, Ooma, Xfinity Voice, and Quantum Fiber.
- IMPORTANT: The V5000 CPR Call Blocker requires Caller ID service and an analog telephone line. Without Caller ID, incoming numbers cannot be identified or blocked. No mains power required - just plug it into your phone line and use.
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- Look for context, not a verdict. Read the description of the call and note what the user says happened.
- Compare reports carefully. Check whether accounts describe similar behavior and whether they include useful details such as when the call occurred. Differences may reflect incomplete information or different interpretations.
- Verify important claims independently. If a caller claimed to represent a bank, government agency, or business, contact that organization using a number or channel you find independently—not contact details supplied in the call.
- Keep personal information private. Do not post sensitive details about yourself or someone else in a public report.
Why reports can be wrong or out of date
Self-reported entries can be noisy, conflicting, incomplete, or delayed. In a 2015 NDSS study, researchers examining 800Notes and similar complaint datasets found reports with irrelevant or off-topic content, conflicting interpretations, and missing details. Some entries did not say when the call happened or how many calls occurred; others were submitted days or weeks later. As the paper puts it, “The noisy and conflicting nature of user reports impacts the accuracy of such datasets.” That does not mean every entry is wrong, but it does mean a report should not be treated as conclusive evidence. Read the NDSS paper, Phoneypot: A Large Scale Telephony Honeypot for Exploring Threats in the Telephone Network.
Caller ID can also be spoofed, so the displayed number alone does not prove that the person or organization named in a report made the call. A number may be associated with reports that do not describe the source of a particular call accurately.
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- How it Works: SPAM identified calls are instantly blocked automatically. Preferred Calls Ring through like normal with Caller ID displayed. Your phones connected to the TEL port Won't Ring on Blocked Calls. Create your own Invited or Allowed Family (White List) and block All other callers. Use the Dual Block Buttons to Block a NAME or NUMBER Displayed. Remote Block a Call when Dialing * 2 # through your telephone handset.
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- Works with all USA phone companies: AT&T, Cox, Spectrum, CenturyLink, Cable Modems, DSL, FIOS, or Digital Services from VoIP Telcos like [V] from Verizon, Ooma Telo, Ooma Basic, Vonage, Magic Jack etc. Also, works in Mexico, Canada, Brazil, European Union (ETSI), Australia, Singapore and others with North American standardized phone lines.
- Allow any blocked caller to ring through like normal with the Green Invite Button. Double Tap the Green Button to add VIP callers shown in Call History. Note: Caller ID Name and Number Service from your phone company is required for this model to work automatically.
Do not confuse Phoneypot figures with 800Notes statistics
Some figures associated with the 2015 Phoneypot paper describe that academic project’s honeypot deployment, not 800Notes. The Phoneypot team reported 39,696 phoneytokens, close to 1.3 million unsolicited calls over seven weeks, and 252,621 unique call sources. None of these numbers represents 800Notes’ database size, users, call volume, or success rate. The paper’s figures refer to the Phoneypot study.
What third-party profiles and reviews can tell you
The Better Business Bureau’s profile lists 800notes.com as not BBB accredited and includes alternate names such as Whocallsme.com, Advent LLC, PhoneOwner.info, and Complaintwire.org. BBB cautions that it does not verify third-party information on business profiles, so the listing is directory context—not proof of ownership or service quality. View the BBB business profile.
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Rank #3
- This is the latest version Telephone Call Blocker with hidden or unavailable call numbers can be blocked. And there is no fees to use it; Please keep the manual for future use.
- Block up to 4000 individual phone numbers, including incoming and outgoing calls , prefixes and up to 10 digit area codes.
- One-touch to Block: Locate a number and then press Block to add it to the blacklist.Better set the call blocker in series ( one end of it connected to your phone and another end to the PSTN telephone line); Though it can also be set up parallel, but not compatible with some phone systems.
- Permanent storage of the numbers in the blacklist even power is off or telephone line is plugged out.
- Battery free: It is line powered, no need battery. And it works with almost all single line telephones. If you find some numbers are blocked but you never mean to, then press Block and check your blacklist, then delete those numbers which like area codes or prefix numbers.
At the time the BBB complaint page was reviewed, it displayed two complaints from the preceding three years, dated March 23, 2026 and July 29, 2024; both were marked unpursuable. The page says displayed complaint information may not represent every complaint. These are consumer allegations, not adjudicated findings. View the BBB complaint page.
Trustpilot also shows a mix of positive and negative reviews. Reviews are self-selected opinions: they can illustrate individual perceptions but cannot establish typical performance, the accuracy of reports, or whether the service is operating in a particular way now. View 800Notes reviews on Trustpilot.
Rank #4
- [ IMPORTANT NOTE 1 ] This product is a call blocker only and does not have a telephone or answering machine function. No phone or answering machine is included in the package. Before purchasing, please make sure that your telephone line has Caller ID service and that it is an ANALOG line. the ENF860 requires Caller ID service from your telephone line provider to work and is for analog lines only ! No mains power required, just plug in the phone line to use
- [ IMPORTANT NOTE 2 ] In BLOCK mode, there will STILL BE some new variant numbers bypassing the database making the phone ring, you NEED to manually set up to block them OR switch to FAMILY mode to let only the numbers in FAMILY LIST through. Please refer to the manual for the CORRECT SETTINGS.
- Dual mode;In BLOCK mode you can block callers by Numbers and Names; In FAMILY mode all callers outside the FAMILY LIST are blocked;The two modes can be switched at any time as needed and NO data will be lost after switching modes.
- Preloaded with a large number of spam numbers that have been the subject of repeated complaints ; Users can also manually add 4000+ numbers to the NUMBER LIST to build their own database ; Add 256 NAMES to block calls by name.
- Blocks INTERNATIONAL, PRIVATE/WITHHELD, and Out of Area numbers by default; users can SET to block the entire area code or changing numbers starting with a fixed number, such as 00, 800, 855, 999, 7324, 33626, 134567, etc.
What remains unverified
Current availability, the exact lookup and posting workflow, privacy terms, and any correction or removal process could not be confirmed from first-party 800Notes materials. Do not assume a specific feature or procedure without checking the service’s current official information.
Quick Recap
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- REDUCE UNWANTED CALLS & TAKE BACK CONTROL – The CPR V100K helps reduce unwanted spam, scam and robocalls on your landline. Known nuisance numbers in the preloaded database are blocked automatically, while new unwanted callers can be blocked at the touch of a button.
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- SIMPLE TO USE – NO APP OR SUBSCRIPTION – Connect the V100K to your compatible landline and start taking control of unwanted calls. No app, Wi-Fi, monthly subscription or external power supply required. The large display and tactile BLOCK NOW button make it particularly easy to use.
- IMPORTANT COMPATIBILITY INFORMATION – Requires an active Caller ID service. Designed for compatible traditional analog landline services. Not compatible with many internet-based or digital VoIP telephone services. Please check your telephone service before ordering.
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