The 924 area code covers the same area as 507, including Rochester, Mankato and 200 more places in Minnesota.
Area code 924 is in Minnesota, on Central Time. In the 924 area, phone numbers are given out most in Olmsted County, then Blue Earth and Rice counties. It has been in service since August 30, 2024. 507 covers the same area, so two neighbours can have different area codes.
- Where
- 8 counties in Minnesota, mostly Olmsted County, Blue Earth County and Rice County
- Time zone
- Central Time
- In service since
- August 30, 2024
- Shares its area with
- 507 (since 1954)
- Prefixes in use
- None assigned yet, per NANPA
- How to dial
- Local calls need all 10 digits: 924-555-0142.
Find out who called you from a 924 number.
Enter the full 10-digit number to see who it is listed to, the city and state on the listing, and whether it is a mobile, landline or VoIP line. 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.
924 started in 2024 as an overlay on 507, and its ground has not changed since.
2024
924 starts on August 30, 2024, as an overlay on 507: new numbers on the same ground.
A 924 number on your screen can still be a scam, because caller ID is 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.
The area codes closest to 924 are 952, 612 and 651.
This list measures the distance between the centres of each area, across state lines, and shows codes that share one area together.
These are the questions people ask most about area code 924.
Where is area code 924?
924 covers Rochester, Mankato, Winona and Faribault and 198 more places in Minnesota. In the 924 area, phone numbers are given out most in Olmsted County, then Blue Earth and Rice counties.
What state is area code 924 in?
Minnesota. 924 is a Minnesota area code on Central Time.
What cities use area code 924?
The places holding the most 924 prefixes are Rochester, Mankato, Winona, Faribault, Owatonna, Austin, Marshall and Northfield, out of 202 places in all. The count comes from NANPA's prefix assignments as of October 1, 2026.
What time zone is area code 924 in?
924 is on Central Time.
When did area code 924 start?
924 went into service on August 30, 2024, as an overlay on 507: new numbers for the same area.
Is 924 the same area as 507?
Yes. 507 (since 1954) covers the same ground as 924. Nobody's number changed when it was added; new lines simply get whichever code has numbers left, so two neighbours can have different codes.
How do I dial a 924 number?
Local calls need all 10 digits: 924-555-0142.
Is 924 a toll-free number?
No. 924 is a regular area code for Rochester and Mankato in Minnesota, not a toll-free one. The toll-free codes in North America are 800, 833, 844, 855, 866, 877 and 888.
What area codes are near 924?
The closest are 952 (Minneapolis-Saint Paul, Minnesota), 612 (Minneapolis-Saint Paul, Minnesota), 651 (Minneapolis-Saint Paul, Minnesota) and 763 (Minneapolis-Saint Paul, Minnesota), measured between the centres of each area.
Who called me from a 924 number?
Enter the full 10-digit number in the lookup above. It returns the listed owner where there is a public record, where the number is registered, and whether it is a mobile, a landline or a VoIP line.
Is area code 924 a scam?
924 is a real Minnesota area code, so the code itself is not a warning sign. Scam callers fake local-looking numbers on purpose, so judge the call by what the caller asks for, and look the number up before calling back.
Source: NANPA, the North American Numbering Plan Administrator: its area code database and prefix assignments, as of October 1, 2026.