581 area code
Quebec area, Eastern Time.Area code 581 covers Quebec, Chicoutimi, Alma and 229 more places in Quebec, on Eastern Time. 367 and 418 cover the same area.
Right now in Quebec
Eastern Time (EST, UTC-5; EDT, UTC-4 in summer)
Calling hours: Mon to Fri, 9 AM to 9:30 PM · Sat to Sun, 10 AM to 6 PM (Canada's CRTC rules)
Calling a lot of them? RegieGO dials up to five lines at once. See the dialer
Where 581 numbers come from
Numbers are issued by rate center, a billing area named for its main town. 581 has 232. Each one's share is how many 581 numbers start there.
- Quebec13%
- Chicoutimi3%
- Alma2%
- Rimouski2%
Also: Riviere-du-Loup, Thetford Mines, Levis, Sainte-Marie-de-Beauce, Saint-Georges-de-Beauce, Chibougamau, Baie-Comeau (Hauterive), Donnacona, Montmagny, St-Felicien, Loretteville, Matane + 216 more
Share of exchanges (blocks of 10,000 numbers). Source: NANPA rate center and exchange reports, November 10, 2026
When can you call a 581 number?
Sales calls to homes and cell phones have legal hours, set by Canada's CRTC rules. Hold every 581 number to them, since you can't tell a work line from a personal cell.
What applies to 581Mon to Fri, 9 AM to 9:30 PM · Sat to Sun, 10 AM to 6 PM
- Canada (CRTC)Mon to Fri, 9 AM to 9:30 PM · Sat to Sun, 10 AM to 6 PMApplies to calls to businesses too. Some provinces add rules the tool doesn't apply, like British Columbia's ban on calls on statutory holidays.CRTC Unsolicited Telecommunications Rules, Part III, s. 23 (opens in a new tab)
Local time comes from the area code, not from where the person is today. Mobiles keep their number when they move. Calling hours here are a guide, not legal advice. Every state's calling hours, with sources
581 and 367 and 418
581 went into service on September 19, 2008. 581, 367 and 418 cover the same area, so new numbers can get any of them and neighbors can have different area codes. 581 holds 43% of the area's exchanges, the most of any code here. Local calls take all 10 digits.
- 1947418 overlay
- 2008581 starts
- 2018367 overlay
Source: NANPA area code database
Calling a list of 581 numbers?
Paste it into the free phone number validator. It checks every number, finds each one's time zone and sorts the list by who you can call right now.
581 area code FAQ
What area code is 581?
581 is a Quebec area code for Quebec, Chicoutimi, Alma, Rimouski and 228 more places.
What time zone is the 581 area code in?
Eastern Time (EST, UTC-5; EDT, UTC-4 in summer).
Is 367 the same as 581?
Same area, different code. 581, 367 and 418 cover the same area (an overlay), so new numbers can get any of them and local calls take all 10 digits.
What are the calling hours for 581 numbers?
Mon to Fri, 9 AM to 9:30 PM · Sat to Sun, 10 AM to 6 PM, local time, under Canada's CRTC rules.
When did the 581 area code start?
On September 19, 2008.
Calling 581 numbers? Reach more of them.
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