879 area code
Corner Brook area, Newfoundland and Atlantic Time.Area code 879 covers Corner Brook and St. John's in Newfoundland and Labrador, on Newfoundland and Atlantic Time. 709 covers the same area.
Right now in Newfoundland and Labrador
Newfoundland Time (NST, UTC-3:30; NDT, UTC-2:30 in summer) · Atlantic Time (AST, UTC-4; ADT, UTC-3 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 879 numbers come from
Numbers are issued by rate center, a billing area named for its main town. 879 has 2. Each one's share is how many 879 numbers start there.
- Corner Brook67%
- St. John's33%
Share of exchanges (blocks of 10,000 numbers). Source: NANPA rate center and exchange reports, November 10, 2026
When can you call an 879 number?
Sales calls to homes and cell phones have legal hours, set by Canada's CRTC rules. Hold every 879 number to them, since you can't tell a work line from a personal cell.
What applies to 879Mon 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
879 and 709
879 went into service on February 17, 2024. 879 and 709 cover the same area, so new numbers can get either code and neighbors can have different area codes. 879 holds under 1% of the area's exchanges; 709 holds the most. Local calls take all 10 digits.
- 1962709 overlay
- 2024879 starts
Source: NANPA area code database
Calling a list of 879 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.
879 area code FAQ
What area code is 879?
879 is a Newfoundland and Labrador area code for Corner Brook and St. John's.
What time zone is the 879 area code in?
It spans two: Newfoundland Time (NST, UTC-3:30; NDT, UTC-2:30 in summer) and Atlantic Time (AST, UTC-4; ADT, UTC-3 in summer). An 879 number can be on either clock.
Is 709 the same as 879?
Same area, different code. 879 and 709 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 879 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 879 area code start?
On February 17, 2024.
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