TCPA & robocall research resources.

Current carrier and line type lookup (LNP-aware).

Use: Confirm current carrier/wireless status of client's or caller's number.

Free NPA-NXX to carrier and city lookup.

Use: First-pass identification of original carrier for a calling number.

Carrier name, mobile vs. landline, SMS/MMS gateway.

Use: Free quick check of wireless status for §227(b) cell-phone element.

NPA-NXX / thousands-block owner (OCN, company), rate center, LATA, switch.

Use: Free quick lookup of which carrier/CLEC owns a number block (block holder) for subpoena planning.

NPA-NXX (central office code) assignments by carrier/OCN, thousands-block assignments, area code search, p-ANI and CIC reports. Thousands-block report: https://secure.nanpa.com/public-report/tbco/thousands-block

Use: Identify the carrier originally assigned a number block (e.g., a VoIP CLEC used by robocallers); support subpoena targeting.

Official LNP database info; Law Enforcement / authorized access to ported-number carrier (LRN) data; IVR ported-number query for authorized users.

Use: Determine the current serving carrier of a ported number (original NANPA carrier may be wrong); informs subpoena target.

NPA-NXX-X exchange detail, OCN, carrier, switch CLLI, rate center.

Use: Identify carrier/OCN behind a number block; cross-reference with FCC 499 filer data for carrier contact info.

Complaints vs. financial companies incl. 'communication tactics'/robocall narratives.

Use: Pattern evidence of collector/servicer robocalls; find narratives mentioning calls after revocation.

Global company registry search (officers, addresses, registered agents, filings) aggregated from state SoS.

Use: Identify the entity behind a DBA/lead-gen brand and related shell companies across states.

CA bizfile; NJ https://www.njportal.com/DOR/BusinessNameSearch/Search/BusinessName; MD https://egov.maryland.gov/BusinessExpress/EntitySearch; PA https://file.dos.pa.gov/search/business; TX SOSDirect https://www.sos.state.tx.us/corp/sosda/index.shtml & Comptroller https://comptroller.texas.gov/taxes/franchise/account-status/search; FL Sunbiz https://search.sunbiz.org/Inquiry/CorporationSearch/ByName; TN https://tnbear.tn.gov/Ecommerce/FilingSearch.aspx; AZ ACC eCorp https://ecorp.azcc.gov/EntitySearch/Index; WY https://wyobiz.wyo.gov/Business/FilingSearch.aspx

Use: Get legal name, registered agent, officers of caller/lead generator for service and alter-ego analysis.

User-reported complaints by phone number with call content, caller name, dates.

Use: Identify company behind number, pattern evidence (prerecorded messages, volume), find other victims/class members.

Searchable consumer scam reports incl. phone numbers and company names.

Use: Find other complaints tying a caller number to a business; locate witnesses.

Number lookup with robocall classification, recordings/transcripts of robocalls, most-active robocallers, state heatmap.

Use: Recorded audio of robocall campaigns from honeypots — evidence of prerecorded voice and message content.

Spam-call app data, robocall insights/reports, number reputation.

Use: Reputation/label evidence; robocall trend statistics for briefs.

User ratings/reviews of phone numbers, caller categories.

Use: Quick reputation/identification of caller; screenshot for intake file.

Crowd-sourced caller reports by number.

Use: Corroborate identity and robocall nature of caller; pattern evidence.

Reverse lookup with voicemail transcripts of robocalls captured by YouMail; Robocall Index (robocallindex.com) national volume stats by caller/area code.

Use: Obtain transcripts of actual prerecorded messages left by a number (proves artificial/prerecorded voice); volume data for expert/complaint.

Technographic install data showing companies using specific CCaaS/dialer products; HG Insights: https://www.hginsights.com/

Use: Corroborate dialer vendor identity; lists of companies using a litigated dialer (e.g., to find additional defendants).

Technology profiles of company websites (chat, call-tracking, lead-form, consent tools like TrustedForm/Jornaya, CRM).

Use: Identify lead-gen/consent-capture tech and call-tracking vendors on defendant or lead-generator websites to target subpoenas.

Employee profiles and job postings listing dialer skills (e.g., 'LiveVox', 'Five9', 'Convoso' admin), contact center locations.

Use: Identify defendant's dialer platform and dialer administrators to depose/subpoena.

Company profiles with installed-technology data (dialer/CCaaS vendors), org charts, contacts.

Use: Find which dialer platform a defendant uses and who runs its contact center before discovery.

Vendor of Aspect Unified IP and Noble Maestro dialers used by collectors and servicers.

Use: Name correct successor entity in subpoenas re Noble/Aspect dialer capacity; product literature for ATDS arguments.

Outbound dialer heavily used by lead-gen/insurance/solar telemarketers; voice AI agents.

Use: Common in telemarketing DNC/robocall cases; subpoena call logs & DID rotation records.

Cloud contact center with predictive/progressive dialer, voice AI.

Use: Product documentation for dialing modes; subpoena target for call-detail records.

Genesys Cloud CX outbound campaigns/predictive dialing.

Use: Identify dialing modes and records available (campaign logs, contact lists) for discovery.

Vendor site for NICE CXone and LiveVox dialer (predictive/preview/manual/HCI 'TCPA' modes).

Use: Identify ATDS/prerecorded capabilities; LiveVox's HCI mode is frequently litigated in debt-collector TCPA cases — subpoena vendor manuals/configs.

Cloud contact center/dialer popular with collection agencies & healthcare.

Use: Identify dialing modes (manual/predictive) and TCN compliance features in collector cases.

Open-source predictive dialer documentation/manuals widely used by offshore/lead-gen call centers.

Use: Manuals show auto-dial/predictive functionality and log tables (vicidial_log) to request in discovery.

Contact center/dialer & SMS platform for sales teams (lead-gen, insurance).

Use: Subpoena for call/text logs in telemarketing cases.

STIR/SHAKEN rules, deadlines, orders, attestation-level framework.

Use: Understand/argue attestation (A/B/C) evidence in carrier records and whether providers complied.

Weekly informal complaint data incl. unwanted calls: caller ID number, date, issue, method (prerecorded/live), state/ZIP; open data API at https://opendata.fcc.gov/Consumer/CGB-Consumer-Complaints-Data/3xyp-aqkj

Use: Search caller numbers to show volume of complaints against a caller (willful/knowing, class size), identify other victims by geography.

All filings in FCC dockets (e.g., CG 02-278 TCPA, WC 17-97 call authentication, CG 17-59 robocall blocking), petitions for declaratory ruling, comments.

Use: Research defendant/industry positions, dialer-maker petitions (e.g., ATDS definition), and FCC TCPA rulings; find company admissions in comments.

NALs, forfeiture orders, cease-and-desist letters to robocallers and gateway providers, consent decrees.

Use: Check whether a caller/carrier has prior FCC actions (supports willfulness/treble damages, piercing, provider knowledge).

Telecom carriers' legal/DBA names, 499 filer ID, HQ address, D.C. agent for service of process, officers.

Use: Find registered agent/address for serving subpoenas on VoIP carriers identified via NANPA/LNP/traceback.

Whether a number was permanently disconnected after a given date (reassignment check); FCC info page: https://www.fcc.gov/reassigned-numbers-database

Use: Wrong-number cases: show caller could have checked RND; defense: RND safe harbor analysis.

Each voice provider's/gateway's certification, STIR/SHAKEN implementation status, robocall mitigation plan, contact person, business address.

Use: Identify carriers in the call path, their contacts for subpoenas/DMCA-style notices, and whether they filed plans (evidence for claims against upstream providers).

Plain-language TCPA rules summary, links to complaint filing, consent/revocation rules.

Use: Client education; quick cite for current FCC positions (e.g., consent revocation).

TSR text incl. DNC, abandoned calls, prerecorded messages, recordkeeping.

Use: TSR standards for recordkeeping discovery and state-law claims borrowing TSR.

Current text of 47 CFR 64.1200 (DNC, consent, time-of-day, revocation, identification) and 64.1601.

Use: Cite current rules incl. internal DNC (64.1200(d)) and caller-ID requirements.

FTC enforcement actions incl. TSR/robocall/lead-gen cases, complaints, orders.

Use: Find prior FTC actions against defendant, lead generators, or dialer platforms (e.g., VoIP providers facilitating robocalls).

Consumer fraud/DNC complaint database; public data books; full access for law enforcement.

Use: State-by-state complaint stats; AG/law-enforcement partners can query caller complaints.

Daily/weekly DNC complaint data: company phone number, date/time, robocall Y/N, subject, consumer city/state/area code.

Use: Search a caller number to show prior DNC complaints (willfulness), class geography; Tableau dashboard also available.

Registrations and complaints by state, topic, robocall share, per-capita stats.

Use: Statistics for complaints/briefs; state-level complaint figures for the 9 states.

Verify a number's registration date on federal DNC; telemarketer access portal at https://telemarketing.donotcall.gov/ (SAN subscriptions).

Use: Obtain proof/date of client's DNC registration (§227(c) requires 31+ days); discovery re defendant's SAN/scrub records.

Phone-to-person/business, historical phone subscribers, corporate affiliations.

Use: Identify historical subscriber of a number (reassigned number defense/offense), locate principals of callers and lead generators.

Phone, people, business, asset records; phone-number history.

Use: Tie caller numbers to entities/individuals; asset search for judgment collection against TCPA defendants.

Consent-certificate service (session replay of web lead form, timestamp, IP) used by lead buyers.

Use: Demand the TrustedForm certificate/claim URL in discovery to test alleged web consent (one-to-one consent issues).

Lead-event/consent verification tokens (LeadiD) tracking lead origin & TCPA disclosure.

Use: Subpoena Jornaya/Verisk for lead origin & consent language to identify the lead generator and publisher.

TCPA litigator/DNC scrub API and TCPA case data for telemarketers.

Use: Understand defendants' compliance tools; subpoena scrub logs.

Suppression/scrub list of TCPA plaintiffs, attorneys, and litigious numbers; DNC scrub services.

Use: Anticipate defense 'litigator scrub' strategies; discovery into whether defendant scrubbed.

Litigation-scrub database of FDCPA/FCRA/TCPA plaintiffs & litigators; publishes monthly consumer-litigation stats.

Use: Track TCPA filing trends; defense side uses it to scrub serial litigants (anticipate 'professional plaintiff' arguments).

Carrier/line-type, CNAM, wireless/landline ID, SMS gateway lookup APIs.

Use: Batch carrier/line-type and CNAM checks for class-wide cell-phone proof.

Phone intelligence (carrier, line type, prepaid, subscriber name linkage, activity) — now part of Mastercard identity solutions.

Use: Enterprise-grade phone-to-subscriber linkage for wrong-number / reassigned-number disputes.

Caller ID/spam-reputation data (powers carrier spam labels for AT&T etc.), app lookups.

Use: Check spam/'Scam Likely' labeling of caller numbers; evidence of call volume/reputation.

Free reverse phone lookup with name/carrier.

Use: Quick free first-pass ID of a calling number at intake.

Phone validation, carrier, line type, location via JSON API.

Use: Quick bulk validation/line-type classification of numbers in a call log or class list.

CNAM (caller ID name) dips from Neustar's CNAM database; opencnam.com redirects to TransUnion/Neustar caller-name services.

Use: Retrieve the registered CNAM string displayed for a calling number to tie calls to a named business.

Reverse phone, carrier lookup, CNAM, people search.

Use: Low-cost ad hoc reverse phone/carrier lookups on individual calling numbers.

Free reverse phone lookup; voicemail-greeting listen.

Use: Hear the voicemail greeting/name on a callback number to identify the caller business.

Carrier, line type, portability status (LRN/ported), CNAM.

Use: Cheap confirmation of current carrier/porting status of a calling number or the client's number; identify the originating VoIP carrier to subpoena.

Crowdsourced caller name, spam labels, number search (web/app).

Use: Identify business name/spam label associated with a robocaller number; screenshot for exhibits/intake.

Carrier name, line type (mobile, landline, fixed VoIP, non-fixed VoIP, toll-free), CNAM caller name, SIM-swap/reassignment signals via API or console.

Use: Prove the called number was a cellular line (§227(b)) or residential line; identify caller's carrier/VoIP provider to target subpoenas; batch-check numbers in call logs.

Phone-to-person/business, address, carrier, line type, property data via API.

Use: Match caller or reassigned-number subscribers to identities; check who held a number (wrong-number/reassigned claims).

AZ statute on DNC calls/texts and caller-ID blocking (§44-1278); AZ uses national registry; telephone solicitor registration with AZ SOS.

Use: AZ state claims (2023 amendments cover texts; private right of action); check solicitor registration.

CA statute incorporating national DNC list; CA OAG consumer resources (https://oag.ca.gov/consumers).

Use: Add CA state-law DNC/UCL claims for CA clients.

Florida state DNC list signup/verification; FTSA text (https://www.flsenate.gov/Laws/Statutes/2025/501.059) with private right of action, autodialer and consent rules; FDACS telemarketer licensing (https://www.fdacs.gov/Business-Services/Telemarketing).

Use: Plead FTSA claims ($500/$1,500 per call), verify FL DNC listing, check whether caller holds FL commercial telephone seller license.

MD mini-TCPA (2023) statute text: automated-system consent, time limits, call frequency; MD relies on federal registry.

Use: Plead MD state-law claims alongside TCPA (via MD CPA); MD AG Consumer Protection complaints: https://www.marylandattorneygeneral.gov/Pages/CPD/default.aspx

NJ DNC law info (N.J.S.A. 56:8-119 et seq.; NJ uses national registry), telemarketer registration, complaint filing.

Use: NJ CFA-based DNC claims; confirm telemarketer registration status.

PA DNC registration/complaints under Telemarketer Registration Act (73 P.S. §2241 et seq.).

Use: Verify PA DNC status; UTPCPL claims for Telemarketer Registration Act violations; file AG complaint.

TN DNC/DNT register (T.C.A. §65-4-401 et seq.), consumer registration, solicitor registration, complaint form.

Use: Verify TN register listing; check whether solicitor registered with TPUC; file TPUC complaint.

Texas statewide DNC registration (residential & wireless) and Electric No Call list; effective dates.

Use: Confirm client's TX list registration for Tex. Bus. & Com. Code ch. 304 claims (statute: https://statutes.capitol.texas.gov/Docs/BC/htm/BC.304.htm).

Title 40 PDF incl. telephone solicitation/DNC provisions (WY uses national registry); AG complaints: https://ag.wyo.gov/law-office-division/consumer-protection-and-antitrust-unit

Use: Wyoming state-law hook for DNC violations; AG complaint referral.

List of authorized STIR/SHAKEN service providers and certificate authorities, revoked tokens, policies.

Use: Confirm whether a carrier in the call path holds a SHAKEN SPC token; interpret attestation data produced in discovery.

Free TCPA opinions and federal dockets/filings; search by dialer name (e.g., 'LiveVox', 'Noble') to find cases revealing which companies use which dialer; API.

Use: Case law research and finding prior complaints/depositions against same defendant or dialer vendor.

Legal news on TCPA class actions, settlements, appellate rulings.

Use: Track settlements and cases against specific defendants/dialer vendors.

NCLC treatise covering TCPA, TSR, robocalls/texts with case law and practice tips.

Use: Primary plaintiff-side TCPA treatise for pleading, damages, and ATDS/consent issues.

Nationwide federal party search across district/bankruptcy/appellate courts.

Use: Find all prior TCPA suits against a caller/lead generator; locate discovery (dialer identity, vendors) in other cases.

Federal docket search/alerts, new-case feeds by nature of suit (890 Other Statutory Actions incl. TCPA).

Use: Alerts for new TCPA filings against a defendant; monitor competitors' TCPA filings.

Daily TCPA news, new rulings, FCC developments, class action filings (defense perspective).

Use: Fast tracking of new TCPA decisions (post-McLaughlin, ATDS, revocation) and FCC rule changes.

Industry consent, opt-out (STOP), and content rules for A2P SMS/short codes/10DLC.

Use: Benchmark defendant's texting practices vs. industry opt-out/consent standards; exhibits on STOP-keyword handling.

Real-time TFNRegistry availability search for 8XX numbers; directory of certified Resp Orgs (toll-free service providers).

Use: Confirm a toll-free number is assigned (not spare) and identify Resp Orgs to subpoena for the subscriber of a toll-free robocall number (SomosLookup domain no longer resolves).

Central registry of 10DLC brands and campaigns (brand EIN, use case, sample messages) registered by CSPs.

Use: Subpoena TCR/CSP for brand & campaign registration tying a local-number texting campaign to a company and its stated consent/opt-in flow.

Official U.S. common short code registry; short-code availability search, partner/connection aggregator directory, CTIA Short Code Monitoring Handbook.

Use: Confirm a texting short code is registered and identify aggregators/carriers to subpoena for the short-code lessee in robotext cases.

Traceback process info, annual reports on robocall campaigns, list of non-cooperative providers, subpoena/policies.

Use: Subpoena ITG for traceback records identifying the originating provider/customer of a robocall campaign; cite reports for provider knowledge.