NumLookup
- Company typePrivate
- Founded2019
- HeadquartersAtlanta, United States
- Headcount1–10
- GTM typeB2B and B2C
- OfferingSoftware
NumLookup firmographics
Firmographics- Name
- NumLookup
- Legal name
- NumLookup LLC
- Website
- https://numlookup.com
- Company type
- Private
- Founded year
- 2019
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Ownership category
- akta.pro rank
NumLookup industry classification
Industry- Product category
- Phone Intelligence and People Search
- NAICS
- Web Search Portals, Libraries, Archives, and Other Information Services (5192), Directory and Mailing List Publishers (51314)
- SIC
- Services-Consumer Credit Reporting, Collection Agencies (7320)
- akta.pro primary industry
- Privacy-Preserving Data (De-identification, Anonymization, PII Redaction) (HDAAALAG)
- akta.pro secondary industry
- Personalization, Recommendations & Search (MPAHAJAF)
Keywords
Where NumLookup is headquartered
LocationHeadquarters
- HQ city
- Atlanta
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
NumLookup business model
Business model- GTM type
- B2B and B2C
- Offering type
- Software
- Cost components
- Technology or R&D, Operations, Personnel, Marketing or Sales, Infrastructure
Revenue model
- Premium Subscription: NumLookup offers a paid monthly subscription plan that unlocks full detailed reports with complete caller information. The subscription is described as 'highly affordable' and costs less than 2 cups of Starbucks coffee. Users who exceed free lookup quotas are incentivized to subscribe. This is the primary upsell mechanism for engaged free users.
- Advertising (Ad Revenue): Banner ads are displayed on the homepage and throughout the site. Ad revenue is one of two primary revenue sources and helps offset the costs of free lookups. NumLookup acknowledges that ads create a sub-optimal user experience but states they are a 'necessary evil' to keep the service operational.
- API / Enterprise Access: Commercial API solutions for businesses that require advanced features are available. Access is obtained by contacting [email protected], suggesting a quote-based or negotiated pricing model for enterprise API usage.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Freemium | Monthly | Free tier — basic reverse phone lookup |
| Subscription | Monthly | Premium subscription — full detailed reports |
| Subscription | Monthly | API / Enterprise access — commercial solutions for businesses |
Go-to-market motion2 records
Distribution channels2 records
Marketing channels6 records
NumLookup product offering
Product offeringCore offering
NumLookup provides AI-powered reverse phone lookup, people search, reverse image search, and phone number validation across 600M+ indexed phone records and 100B+ indexed images. The platform cross-references public, licensed, and proprietary data sources to return caller identity, address history, demographics, spam risk, and carrier information, and offers a REST API for businesses to integrate phone intelligence into their workflows. The core consumer product is free with no signup required, while a premium subscription and enterprise API access drive monetization.
Product overview
NumLookup is a consumer-facing phone intelligence platform offering a suite of lookup and search services. The core products include Reverse Phone Lookup (free phone number identification), People Search (name-based person finder), Reverse Image Search (visual search engine), and Phone Number Validation & Verification. The platform also offers a developer-facing NumLookup API for programmatic phone intelligence integration, plus a Premium Report tier for detailed paid lookups. The services are built on AI/ML technology combining computer vision (for image search) and data aggregation (for phone/people search), with the API enabling B2B workflows including lead verification, fraud prevention, and CRM enrichment.
Differentiator
Problem solved
Functional benefit
Products and services
- Reverse Phone Lookup Primary consumer reverse phone lookup service that searches phone numbers against billions of public records, licensed databases, and proprietary sources to return owner name, address, demographics, spam scores, carrier information, and known relatives. Free to use with no signup required.
- People Search Free people finder that searches by full name plus city/state and returns complete profiles including contact info, address history, associates, and public records indicators, organized into Overview, Contact, Addresses, People, and Records sections.
- Reverse Image Search Visual search tool that analyzes uploaded images against an index of more than 100 billion images to find identical matches, related content, and contextually relevant results. Uses deep learning algorithms and CNNs for feature extraction and similarity scoring, and does not store or share uploaded images.
- Phone Number Validation & Verification Free phone number validation service for US-based numbers that checks formatting accuracy and validity against functioning telecommunications networks. Available with bulk verification capabilities for businesses.
- NumLookup API REST API for phone intelligence that enables developers and businesses to integrate real-time phone lookups into products and workflows. Returns normalized formatting, owner name, carrier, line type, location, spam risk, and validity status with confidence scores via POST requests with Bearer token authentication. Access requires contacting [email protected].
Quantifiable outcome
- 94,071 opt-out requests approved in 2024 with average completion time under 20 days
- +3 more outcomes
Companies that use NumLookup
Customer profileNamed customers5 records
Segments4 records
Ideal customer profiles4 records
NumLookup technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
AI capability7 records
Feature6 records
NumLookup partnerships and signals
Strategic signalScale indicators6 records
Recent moves6 records
Expansion highlights5 records
NumLookup competitors and assessment
Company assessmentMarket position
Weaknesses4 records
Competitive moat4 records
Key risks6 records
Key highlights6 records
Customer concentration
NumLookup social profiles
Digital presenceNumLookup financial estimates
Financial estimateRevenue estimate
Valuation estimate
NumLookup leadership team
Management profileNumber of profiles
Profiles6 records
NumLookup funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
NumLookup M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about NumLookup
What does NumLookup do?
NumLookup provides AI-powered reverse phone lookup, people search, reverse image search, and phone number validation across 600M+ indexed phone records and 100B+ indexed images. The platform cross-references public, licensed, and proprietary data sources to return caller identity, address history, demographics, spam risk, and carrier information, and offers a REST API for businesses to integrate phone intelligence into their workflows. The core consumer product is free with no signup required, while a premium subscription and enterprise API access drive monetization.
Is NumLookup a public or private company?
NumLookup is a private company. It is classified as unknown and is currently operating.
When was NumLookup founded?
NumLookup was founded in 2019. It employs 1 to 10 people.
Where is NumLookup based?
NumLookup is headquartered in Atlanta, United States, in the North America region.
How does NumLookup make money?
Three revenue lines are on record. Premium Subscription is the primary driver. The others are advertising (Ad Revenue) and API / Enterprise Access.
Does NumLookup have an API?
Yes. NumLookup offers a REST API for phone number intelligence. The API enables real-time phone lookups during signup, lead capture, support intake, and background workflows. Developers can retrieve phone signals including normalized formatting, owner name, carrier, line type, location, spam risk, and validity status. Authentication uses Bearer tokens. The API is accessible via POST requests to api.numlookup.com with the /v1/lookup/phone endpoint.
What industry is NumLookup in?
NumLookup's product category is Phone Intelligence and People Search. Its primary akta.pro industry code is HDAAALAG, Privacy-Preserving Data (De-identification, Anonymization, PII Redaction), with a secondary code of MPAHAJAF, Personalization, Recommendations & Search. Its NAICS code is 5192 and its SIC code is 7320.