450 area code
Granby area, Eastern Time.Area code 450 covers Granby, St-Jerome, Joliette and 126 more places in Quebec, on Eastern Time. 354 and 579 cover the same area.
Right now in Granby
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)
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Where 450 numbers come from
Numbers are issued by rate center, a billing area named for its main town. 450 has 129. Each one's share is how many 450 numbers start there.
- Granby4%
- St-Jerome4%
- Joliette3%
- St-Lambert3%
- St-Hyacinthe3%
- Longueuil3%
- Pont-Viau3%
- Ste-Therese3%
- Sorel3%
- St-Jean3%
- Valleyfield3%
- Chomedey3%
Also: Boucherville, Laval-Ouest, Beloeil, St-Eustache, Ste-Rose, Terrebonne, Le Gardeur, St-Bruno, Chateauguay, Chambly, Laprairie, St-Constant + 105 more
Share of exchanges (blocks of 10,000 numbers). Source: NANPA rate center and exchange reports, November 10, 2026
When can you call a 450 number?
Sales calls to homes and cell phones have legal hours, set by Canada's CRTC rules. Hold every 450 number to them, since you can't tell a work line from a personal cell.
What applies to 450Mon 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
450 and 354 and 579
450 went into service on June 13, 1998, split off from 514. 450, 354 and 579 cover the same area, so new numbers can get any of them and neighbors can have different area codes. 450 holds 52% of the area's exchanges, the most of any code here. Local calls take all 10 digits.
- 1998450 starts
- 2010579 overlay
- 2022354 overlay
Source: NANPA area code database
Calling a list of 450 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.
450 area code FAQ
What area code is 450?
450 is a Quebec area code for Granby, St-Jerome, Joliette, St-Lambert and 125 more places.
What time zone is the 450 area code in?
Eastern Time (EST, UTC-5; EDT, UTC-4 in summer).
Is 354 the same as 450?
Same area, different code. 450, 354 and 579 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 450 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 450 area code start?
On June 13, 1998. It was split from 514.
Calling 450 numbers? Reach more of them.
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