587 area code
Calgary area, Mountain Time.Area code 587 covers Calgary, Edmonton, Fort McMurray and 134 more places in Alberta, on Mountain Time. 368, 403, 780 and 825 cover the same area.
Right now in Calgary
Mountain Time (MST, UTC-7; MDT, UTC-6 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 587 numbers come from
Numbers are issued by rate center, a billing area named for its main town. 587 has 137. Each one's share is how many 587 numbers start there.
- Calgary25%
- Edmonton16%
- Fort McMurray3%
- Red Deer3%
- Grande Prairie2%
Also: Lethbridge, Medicine Hat, Banff, Sherwood Park, Airdrie, Leduc, High River, Canmore, Lloydminster, Strathmore, Camrose, Vegreville + 120 more
Share of exchanges (blocks of 10,000 numbers). Source: NANPA rate center and exchange reports, November 10, 2026
When can you call a 587 number?
Sales calls to homes and cell phones have legal hours, set by Canada's CRTC rules. Hold every 587 number to them, since you can't tell a work line from a personal cell.
What applies to 587Mon 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
587 and 368, 403, 780 and 825
587 went into service on September 19, 2008. 587, 368, 403, 780 and 825 cover the same area, so new numbers can get any of them and neighbors can have different area codes. 587 holds 24% of the area's exchanges, about as many as 403. Local calls take all 10 digits.
- 1947403 overlay
- 1999780 overlay
- 2008587 starts
- 2016825 overlay
- 2022368 overlay
Source: NANPA area code database
Calling a list of 587 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.
587 area code FAQ
What area code is 587?
587 is an Alberta area code for Calgary, Edmonton, Fort McMurray, Red Deer and 133 more places.
What time zone is the 587 area code in?
Mountain Time (MST, UTC-7; MDT, UTC-6 in summer).
Is 368 the same as 587?
Same area, different code. 587, 368, 403, 780 and 825 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 587 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 587 area code start?
On September 19, 2008.
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