506 area code
Moncton area, Atlantic Time.Area code 506 covers Moncton, Saint John, Fredericton and 85 more places in New Brunswick, on Atlantic Time. 428 covers the same area.
Right now in Moncton
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)
Calling a lot of them? RegieGO dials up to five lines at once. See the dialer
Where 506 numbers come from
Numbers are issued by rate center, a billing area named for its main town. 506 has 88. Each one's share is how many 506 numbers start there.
- Moncton12%
- Saint John11%
- Fredericton8%
- Miramichi4%
- Bathurst4%
- Edmundston3%
- Campbellton2%
- Woodstock2%
- Tracadie2%
- Florenceville2%
- Grand Falls2%
- Sussex2%
Also: Shediac, Richibucto, St. Stephen, Shippagan, Caraquet, Doaktown, Bouctouche, Petitcodiac, Sackville, St. George, Dalhousie, Oromocto + 64 more
Share of exchanges (blocks of 10,000 numbers). Source: NANPA rate center and exchange reports, November 10, 2026
When can you call a 506 number?
Sales calls to homes and cell phones have legal hours, set by Canada's CRTC rules. Hold every 506 number to them, since you can't tell a work line from a personal cell.
What applies to 506Mon 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
506 and 428
506 went into service on January 1, 1955. 506 and 428 cover the same area, so new numbers can get either code and neighbors can have different area codes. 506 holds 97% of the area's exchanges; 428 holds the rest. Local calls take all 10 digits.
- 1955506 starts
- 2023428 overlay
Source: NANPA area code database
Calling a list of 506 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.
506 area code FAQ
What area code is 506?
506 is a New Brunswick area code for Moncton, Saint John, Fredericton, Miramichi and 84 more places.
What time zone is the 506 area code in?
Atlantic Time (AST, UTC-4; ADT, UTC-3 in summer).
Is 428 the same as 506?
Same area, different code. 506 and 428 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 506 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 506 area code start?
On January 1, 1955.
Calling 506 numbers? Reach more of them.
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