What is NumLookup?
NumLookup is a web-based reverse phone lookup service focused on US numbers; its site describes searches for US and Canadian numbers, and its search box asks for a 10-digit US number. A basic search is free and needs no sign-up, and the free preview can include details such as a name, location, carrier and phone type. Fuller reports, covering things like address history and relatives, are offered through a paid subscription. The company also offers an API for developers. Pricing is not always listed on the homepage, so check their site for current plans.
Why people look for a NumLookup alternative
- The number you want to check is from outside the US or Canada.
- You want spam reports and complaint data shown with the lookup result.
- Detailed reports on NumLookup require a subscription, and you would rather pay for a single report only when you need one.
- You want to compare results from more than one source before deciding whether to call back.
NumLookup vs. WhoCallsMe
| Feature | NumLookup | WhoCallsMe |
|---|---|---|
| Countries covered | US (and Canada, per its site) | Numbers from 180+ countries |
| Free lookup | Yes, basic preview | Yes: carrier, line type, country/region, spam reports |
| Spam reports | Check their current features | Included, with FTC Do Not Call complaint data for US numbers |
| Full report | Paid subscription | Optional paid report, owner details where publicly available |
| App install required | No, web-based | No, web-based |
| Owner notified | Check their current policy | Never |
| Privacy | See their privacy policy | Anonymous searches, never sold; GDPR and CCPA |
Our verdict
For a quick free check on a US number, NumLookup is a solid option, and if you regularly need detailed US people reports, its subscription may suit you. WhoCallsMe is the better pick when the number is international, when you want spam reports and FTC complaint data in the free result, or when you would rather pay for a full report only occasionally. Both are web-based, so it costs nothing to try each and compare.
NumLookup is a trademark of its respective owner. WhoCallsMe is not affiliated with or endorsed by NumLookup. Product details were checked in October 2026 and may change — see their website for current features and pricing.