Area code · Canada
Area code 579 — Quebec
Quebec · in service since August 21, 2010
Area code 579 covers parts of Quebec. It is an overlay: 354, 450 serve the same area, so neighbors can have different area codes.
Local time in Quebec
Spam reports from Sep 23 – Oct 22, 2026
Low #348 of 461 codes
169 FTC complaints
Consumer reports, not verified by the FTC.
See the reports- Time zoneEastern Time
- Local calls10 digits
- Prefixes644 in service
- Runs out~3Q 2037
- Unwanted call?Block & report
Spam call reports about 579 numbers
Complaints by week
Sep 11 – Oct 22, 2026Show as table
| Week starting | Complaints |
|---|---|
| Sep 7 (3 days) | 27 |
| Sep 14 | 49 |
| Sep 21 | 41 |
| Sep 28 | 37 |
| Oct 5 | 28 |
| Oct 12 | 33 |
| Oct 19 (4 days) | 52 |
Compared with all codes
- Robocalls
- 93%all codes 75%
- Callers with the same code
- 0%all codes 35%
- Rank by complaints
- #348of 461 · bottom quarter
- FCC complaints, Oct 2025 – Sep 2026
- 4
What the calls were about
Sep 11 – Oct 22, 2026
| Subject | Complaints | |
|---|---|---|
| Reducing your debt (credit cards, mortgage, student loans) | 155 58% | |
| Calls pretending to be government, businesses, or family and friends | 17 6% | |
| Dropped call or no message | 3 1% | |
| Work from home & other ways to make money | 1 <1% | |
| Other | 72 27% | |
| No subject given | 19 7% |
Where the people who complained live
Sep 11 – Oct 22, 2026
| State | Complaints | |
|---|---|---|
| Florida | 34 13% | |
| California | 33 12% | |
| Texas | 17 6% | |
| North Carolina | 14 5% | |
| New York | 14 5% |
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 579 location and prefixes
| Exchange (CNAC) | Place | Prefixes |
|---|---|---|
| Granby | Granby | 20 |
| Joliette | Joliette | 19 |
| St-Jerome | St-Jerome | 17 |
| St-Hyacinthe | St-Hyacinthe | 16 |
| Ste-Therese | Ste-Therese | 15 |
| Longueuil | Longueuil | 14 |
| Chomedey | Chomedey | 13 |
| Sorel | Sorel | 13 |
| St-Jean | St-Jean | 13 |
| Laval-Est | Laval-Est | 11 |
Plus 116 smaller exchange areas.
Source: CNAC, CO code status of Oct 23, 2026.
NANPA record
- Location
- Quebec
- Assigned by NANPA
- August 4, 2009
- Local dialing
- 10 digits (NANPA: 10D)
- NANPA planning letters
- PL-401, PL-395
Source: NANPA, NPA database of Oct 24, 2026.
Is 579 running out of numbers?
Previous forecast (October 2025): 2039, moved earlier by 2 years.
Forecast exhaust year by edition
Source: NANPA NRUF forecast, April 2026 edition.
Who holds 579 prefixes
The five largest of 19 original holders
As listed by CNAC, not today’s carrier.
| Holder (as listed) | Prefixes | |
|---|---|---|
| Telus Quebec | 122 19% | |
| Fibernetics Corporation | 103 16% | |
| Videotron Ltd. | 72 11% | |
| Iristel Inc. | 66 10% | |
| Distributel | 56 9% |
Source: CNAC, CO code status of Oct 23, 2026.
Questions about area code 579
What area code is 579?
A Quebec area code in Canada, in service since August 21, 2010.
Where is 579 area code, and what time zone is it in?
Quebec; Eastern Time.
Why am I getting spam calls from 579?
169 FTC complaints from Sep 23 – Oct 22, 2026, most often about debt reduction (not verified by the FTC; caller ID can be spoofed).
Will 579 get a new area code?
NANPA forecasts exhaust in 3Q 2037; no relief planning listed.