Check any US or Canadian number, in one click.
Free instant verification for numbers across the North American Numbering Plan: validity, line type (mobile, landline, or VoIP), carrier, and international format. Two independent lookup tools so you never hit a wall.
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02 / toolsVerify Phone Number 1
Full lookup for any US or Canadian number. Returns validity, carrier, region, and line type in under a second.
Open tool →Verify Phone Number 2
Same fast, accurate lookup — running on a separate service quota. Use this one if Tool 1 hits its daily cap.
Open tool →Guides & references
03 / learnWhat is a VoIP number, and how do you spot one?
The differences between VoIP, landline, and mobile numbers in the US and Canada — and why the distinction matters for fraud, marketing, and SMS delivery.
US & Canadian area codes, in one list
A complete NANP area code reference — every state, every province, plus overlay and toll-free codes.
How phone number validation actually works
What "valid" really means — format checks, HLR lookups, and the layers most people don't know about.
How to identify an unknown caller
Steps you can take before calling back a number you don't recognize.
E.164: the international phone format explained
Why every US and Canadian number should look like +1 followed by 10 digits — and what breaks when it doesn't.
How to protect yourself from spam calls
Practical steps that actually reduce robocalls and scam texts on iPhone, Android, and landline in the US and Canada.