Area code
Area code 507 — Rochester, MN
Minnesota · in service since 1954
Area code 507 covers parts of Minnesota; the place with the most of its prefixes is Rochester. It is an overlay: 924 serves the same area, so neighbors can have different area codes.
Overlay, same area: 924
Local time in Rochester
Spam reports from Sep 23 – Oct 22, 2026
Average #315 of 461 codes
242 FTC complaints
Consumer reports, not verified by the FTC.
See the reports- Time zoneCentral Time
- Local calls10 digits
- Prefixes780 assigned
- Runs out100+ years
- Unwanted call?Block & report
Spam call reports about 507 numbers
Complaints by week
Sep 11 – Oct 22, 2026Show as table
| Week starting | Complaints |
|---|---|
| Sep 7 (3 days) | 12 |
| Sep 14 | 64 |
| Sep 21 | 40 |
| Sep 28 | 58 |
| Oct 5 | 88 |
| Oct 12 | 45 |
| Oct 19 (4 days) | 24 |
Compared with all codes
- Robocalls
- 71%all codes 75%
- Callers with the same code
- 46%all codes 35%
- Rank by complaints
- #315of 461 · middle half
- FCC complaints, Oct 2025 – Sep 2026
- 405 about text messages
What the calls were about
Sep 11 – Oct 22, 2026
| Subject | Complaints | |
|---|---|---|
| Reducing your debt (credit cards, mortgage, student loans) | 76 23% | |
| Dropped call or no message | 56 17% | |
| Calls pretending to be government, businesses, or family and friends | 29 9% | |
| Medical & prescriptions | 9 3% | |
| Computer & technical support | 6 2% | |
| Warranties & protection plans | 6 2% |
Where the people who complained live
Sep 11 – Oct 22, 2026
| State | Complaints | |
|---|---|---|
| Minnesota | 179 54% | |
| California | 16 5% | |
| Illinois | 16 5% | |
| Florida | 15 5% | |
| Texas | 14 4% |
October 2026 (partial) report · most reported
Consumer reports, not verified by the FTC · source
Source: FTC Do Not Call complaints created Sep 11 – Oct 22, 2026. They are reported by consumers and are not verified by the FTC; caller ID can be spoofed (how we count).
Source: FCC Consumer Complaints data, unwanted calls filed Oct 1, 2025 – Sep 30, 2026, by caller ID; not verified by the FCC.
Area code 507 location and prefixes
| Exchange (NANPA) | Place | County | Prefixes |
|---|---|---|---|
| ROCHESTER | Rochester | Olmsted County | 84 |
| MANKATO | Mankato | spans 3 counties | 47 |
| WINONA | Winona | Winona County | 22 |
| FARIBAULT | Faribault | Rice County | 21 |
| OWATONNA | Owatonna | Steele County | 20 |
| AUSTIN | Austin | Mower County | 17 |
| MARSHALL | Marshall | Lyon County | 15 |
| ALBERT LEA | Albert Lea | Freeborn County | 14 |
| NORTHFIELD | Northfield | spans 2 counties | 14 |
| NEW ULM | New Ulm | Brown County | 11 |
Plus 218 smaller exchange areas.
Source: NANPA CO codes of Oct 23, 2026; places: U.S. Census Bureau, matched by DialWhere (how).
NANPA record
- Location
- Minnesota
- Assigned by NANPA
- 1954
- Local dialing
- 10 digits (NANPA: 10D)
- NANPA planning letters
- PL-616
Source: NANPA, NPA database of Oct 24, 2026.
Is 507 running out of numbers?
Last dated forecast (October 2025, not current): 2118.
Source: NANPA NRUF forecast, April 2026 edition.
Who holds 507 prefixes
The five largest of 90 original holders
As listed by NANPA, not today’s carrier.
| Holder (as listed) | Prefixes | |
|---|---|---|
| Onvoy, LLC | 101 13% | |
| Verizon Wireless | 77 10% | |
| Qwest Corporation | 71 9% | |
| New Cingular Wireless PCS, LLC | 55 7% | |
| MCC Telephony Of Minnesota, LLC | 52 7% |
Source: NANPA CO codes of Oct 23, 2026.
Questions about area code 507
What area code is 507?
A Minnesota area code, in service since 1954.
Where is 507 area code, and what time zone is it in?
Rochester, MN; Central Time.
Why am I getting spam calls from 507?
242 FTC complaints from Sep 23 – Oct 22, 2026, most often about debt reduction (not verified by the FTC; caller ID can be spoofed).