800 is a toll-free code, so it tells you nothing about where a caller is.
An 800 number can belong to a business anywhere in North America, and the person called pays nothing. Banks, airlines and scam lines all use toll-free numbers.
Find out who called you from an 800 number.
Enter the full 10-digit number to see who it is listed to and the city and state on the listing. It is the same free check as our who called me lookup. To see only the caller ID name on the number, use our free CNAM lookup. To see whether it is a mobile, a landline or a VoIP line, use our free VoIP checker. To see which carrier a (800) number is on today, use our free carrier lookup.
Works for US & Canada numbers. Enter a 10-digit number, e.g. (415) 555-0132.
Free & rate-limited. No signup required to try.
An 800 number can still be a scam, because toll-free numbers are cheap to get and easy to fake.
- Let an unknown call go to voicemail. A real caller leaves a message; a robocaller usually does not.
- Look the number up with the box above before you call back, because calling back tells a robocaller your line is live.
- Hang up on anyone who wants gift cards, crypto or a wire transfer, or asks you to read out a code that was just texted to you.
- Report unwanted robocalls at reportfraud.ftc.gov, or paste a suspicious message into our free scam checker.
These are the questions people ask most about 800.
Where is the 800 area code?
Nowhere in particular. 800 is one of the North American toll-free codes, alongside 833, 844, 855, 866, 877 and 888. A business anywhere can hold an 800 number.
Does answering an 800 call cost me anything?
No. Toll-free means the business pays for the call, not you.
Who is calling me from an 800 number?
Enter the full number in the lookup above. Toll-free numbers are usually registered to a business, so a match tends to name the organisation behind the line.
Source: NANPA, the North American Numbering Plan Administrator: its area code database and prefix assignments, as of October 1, 2026.