The 507 area code covers Rochester, Mankato and 200 more places in Minnesota.
Area code 507 is in Minnesota, on Central Time. In the 507 area, phone numbers are given out most in Olmsted County, then Blue Earth and Rice counties. It has been in service since 1954. 924 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
- 1954
- Shares its area with
- 924 (since 2024)
- Prefixes in use
- 765
- How to dial
- Local calls need all 10 digits: 507-555-0142.
Find out who called you from a 507 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 (507) 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.
Rochester holds 11% of the phone prefixes in area code 507.
A prefix is the three digits after the area code, and NANPA assigns each one to a town. Counting the 765 prefixes in use shows where 507 numbers are actually given out.
- Rochester84 prefixes, 11%
- Mankato46 prefixes, 6%
- Winona22 prefixes, 3%
- Faribault21 prefixes, 3%
- Owatonna20 prefixes, 3%
- Austin17 prefixes, 2%
- Marshall15 prefixes, 2%
- Northfield14 prefixes, 2%
Also served: Albert Lea, New Ulm, Worthington and Waseca and 190 smaller places.
Of the carriers named here, Frontier holds the most phone number prefixes in area code 507: 73 of 765.
NANPA, which runs the North American numbering plan, assigns each prefix (the three digits after the area code) to one carrier. Here is how the 765 prefixes in use in 507 divide between carriers; holders this page does not name are grouped as other carriers.
| Carrier | Prefixes | Share |
|---|---|---|
| FrontierLandline company | 73 | 10% |
| Qwest (Lumen)Lumen's landline company | 71 | 9% |
| MediacomCable company's phone service | 56 | 7% |
| AT&T MobilityMobile network | 55 | 7% |
| T-MobileMobile network | 44 | 6% |
| CenturyLinkLandline company | 33 | 4% |
| 76 other carriers | 433 | 57% |
72% of these prefixes are pooled, which means the blocks of 1,000 numbers inside them can belong to other carriers. Any number can also have been moved to another carrier since, so this shows who holds the prefixes, not who serves a given number.
Want the carrier of one exact number? Our free carrier lookup checks it, because numbers move between carriers.
Source: NANPA central office code assignments, October 1, 2026.
507 has been overlaid once since 1954.
1954
507 goes into service.
2024
On August 30, 2024, 924 is added on top of 507, so new numbers here can get either code.
A 507 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 507 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 507.
Where is area code 507?
507 covers Rochester, Mankato, Winona and Faribault and 198 more places in Minnesota. In the 507 area, phone numbers are given out most in Olmsted County, then Blue Earth and Rice counties.
What state is area code 507 in?
Minnesota. 507 is a Minnesota area code on Central Time.
What cities use area code 507?
The places holding the most 507 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.
Which phone company owns area code 507?
No single phone company owns 507. NANPA's records list its 765 prefixes across many carriers, and the ones named on this page include Frontier, Qwest (Lumen) and Mediacom. Numbers move between carriers, so check one exact number with a carrier lookup.
What time zone is area code 507 in?
507 is on Central Time.
When did area code 507 start?
507 went into service in 1954.
Is 507 the same area as 924?
Yes. 924 (since 2024) covers the same ground as 507. 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 507 number?
Local calls need all 10 digits: 507-555-0142.
Is 507 a toll-free number?
No. 507 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 507?
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 507 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 507 a scam?
507 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.
Put this lookup on your site: our free area code widget takes two lines of code and shows any US area code's state, time zone and local time.
Source: NANPA, the North American Numbering Plan Administrator: its area code database and prefix assignments, as of October 1, 2026.